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  • Implementing each standard
    • Electronic Release Notification Message Suite (ERN)
      • ERN 4 explained
        • ERN 4 structure
        • ERN 4 profiles
        • Differences between ERN 3 and ERN 4
        • Changes from ERN 4.1 to 4.2
      • ERN 3 explained
        • ERN 3 structure
        • ERN 3 profiles
          • Release profiles in ERN 3
          • Business profiles in ERN 3
      • ERN implementation guidance and best practice
      • ERN choreography using Secure File Transfer Protocol
      • ERN choreography using Web Services
        • Asymmetric web service architecture
        • Symmetric web service architecture
      • ERN samples
    • Media Enrichment and Description (MEAD)
      • MEAD explained
      • MEAD implementation guidance and best practice
      • MEAD choreography
    • Party Identification and Enrichment (PIE)
      • PIE explained
      • PIE implementation guidance and best practice
      • PIE choreography
    • Simple Music NFT
      • The Simple Music NFT standard explained
      • Simple Music NFT implementation guidance and best practices
    • Digital Sales Reporting Message Suite (DSR)
      • DSR explained
        • Adopting DSR
        • Architecture, allowed-value sets and Record Type definitions
        • Multi-Record and Single-Record Block Variants
        • Multi-Context and Single-Context Sales Reports
        • DSR and CDM
        • DSR implementation
        • Best Practice Conglomeration Rules
      • DSR profiles
        • Part 3: Basic Audio profile
        • Part 4: UGC profile
        • Part 5: Audio-visual profile
        • Part 6: Royalty Reporting profile
        • Part 7: Radio Broadcast profile
        • Part 9: Financial Reporting to Record Companies profile
        • Part 10: Masterlist profile
        • Part 11: Basic Audio Profile for The Mechanical Licensing Collective
      • DSR implementation guidance and best practice
      • DSR samples
    • Claim Detail Message Suite (CDM)
      • CDM explained
        • CDM structure
        • CDM profiles
        • Benefits of CDM
        • Challenges when implementing CDM
        • Why migrate to CDM?
      • CDM implementation guidance and best practice
      • CDM choreographies
      • CDM samples
    • Musical Work Data and Rights communication (MWDR)
      • Musical Work Right Share Notification Standard (MWN)
        • MWN explained
          • Purpose of MWN
          • Structure of MWN messages
          • Generating MWN messages
          • Communication of MWN with a hub
          • MWN and the Common Works Registration (CWR)
        • Business benefits of implementing MWN
        • MWN implementation guidance and best practice
        • MWN message exchange
        • MWN samples
          • MWN Response Providing a Claim with Co-Ownership
          • MWN Response Providing a Claim
      • US Musical Work Licensing Choreography Standard (MWL)
        • MWL explained
          • Purpose of MWL
          • Structure of MWL messages
        • MWL implementation guidance and best practice
        • MWL choreography
        • MWL samples
      • US Letters of Direction Choreography Standard (LoD)
        • LoD explained
          • Purpose of LoD
          • Structure of LoD messages
        • LOD implementation guidance and best practice
        • LoD choreography
        • LoD samples
      • Bulk communication of Work And Recording Metadata (BWARM)
        • BWARM explained
        • BWARM implementation guidance and best practice
        • BWARM samples
        • How to use BWARM
    • Recording Data and Rights Standards (RDR)
      • Recording Data and Rights Communication Protocol (RDR-C)
        • RDR-C implementation guidance and best practice
      • Recording Data and Rights Notification (RDR-N)
        • RDR-N explained
          • RDR-N: XML Declaration
          • RDR-N: Message Header
          • RDR-N: Message Notification Period
          • RDR-N: ResourceList
          • RDR-N: SoundRecording (version 1.5)
          • RDR-N: SoundRecording (version 1.4)
          • RDR-N: SoundRecording DetailsByTerritory (version 1.5)
          • RDR-N: SoundRecording DetailsByTerritory (version 1.4)
          • RDR-N: SoundRecording DetailsByTerritory (version 1.3)
          • RDR-N Message Exchange
        • RDR-N implementation guidance and best practice
          • RDR Implementation help and support
          • Upgrading from RDR-N Version 1.2 to Version 1.3
          • Upgrading from RDR-N Version 1.3 to Version 1.4
          • Upgrading from RDR-N Version 1.4 to Version 1.5
        • RDR-N samples
      • Recording Data and Rights Revenue Reporting (RDR-R)
        • RDR-R explained
        • RDR-R implementation guidance and best practice
        • RDR-R samples
      • Recording Data and Rights Claim Conflict (RDR-RCC)
        • RDR-RCC explained
        • RDR-RCC implementation guidance and best practice
        • RDR-RCC samples
        • RDR implementation guidance and best practice
    • Recording Information Notification (RIN)
      • RIN explained
        • Background to RIN
        • Purpose of RIN
        • Structure of RIN
        • Who is RIN for?
      • RIN implementation guidance and best practice
      • RIN choreography
      • RIN samples
      • RIN FAQ
    • Transfer of Catalogues of Releases and Resources by Reassignment of Rights Controller Information
      • CT Samples
    • Best Practices for Catalogue Transfers
      • Best Practices for Catalogue Transfers explained
      • Best Practices for Catalogue Transfers choreography
    • Anomaly Reporting (AR)
      • AR explained
      • AR implementation guidance and best practice
    • Links between Resources and Musical Works (LRAW)
      • LRAW explained
      • LRAW implementation guidance and best practice
    • Best practices for all DDEX standards
      • General guidance on messages
        • Communication of percentages
        • Currency conversion in DSR and CDM
        • Cardinality of the RightShareType element in MWN
        • Date/time tags and Time Zone Designators
        • Dealing with uncommon use cases
        • Field length and precision
        • GDPR and UGC
        • Invalid Messages
        • Origin and trustworthiness of MEAD and PIE information
        • Precision of numeric values in MWN
        • Priorities for metadata items
        • Scalability of UGC sales/usage reports
        • Time stamp for data accuracy
        • Version compatibility
        • What can I do if I have data requirements not addressed by DDEX
        • Which Release Profile for which ERN Version?
        • Who owns which rights?
      • Guidance on contributors, artists and writers
        • Artist name changes over time
        • Artist roles and DisplayCredits
        • Band members
        • Canonical spellings for names
        • Communicating awards in MEAD/PIE
        • Communicating DisplayArtists and DisplayArtistName
        • Communicating of focus tracks in MEAD/PIE
        • Communicating remixes and remixers
        • Contributors, artists and writers
        • Information on DisplayArtists, DisplayArtistNames, Contributors and IndirectContributors
        • Display artist overrides
        • DisplayArtistNames for releases and resources
        • DisplayArtistRoles
        • Displaying artists for remixes for ERN-4
        • ERN-4 PartyList
        • IsCredited and MayBeShared
        • Lengths of artist names
        • One artist with two roles
        • Ownership claims for Single-Resource Releases in ERN
        • Role code synonyms and credits
        • Roles and instrumentation in performances
        • Rights controller information in ERNs to Music Licensing Companies
        • Semantics of LineupComplete
        • Sequencing recording artists and writers
        • Special characters
        • Splitting names and the importance of the KeyName
        • Statements for Contributor and RightsController revenues
        • Territorial rights controller information
        • Translating and Transliterating Names
        • Various artists in ERN
        • Writer roles
        • Why artist information is in multiple places
        • Communicating DisplayArtists and Contributors
      • Guidance on previews
        • Preview resources
        • Resource-specific previews
      • Guidance on binaries
        • Adding and removing specific encodings
        • Communicating binaries
      • Guidance on allowed value sets (AVS, aka Code Lists)
        • Common language and script code combinations
        • Excluded Territories and Worldwide
        • Specialising DDEX-Defined Values
        • User-defined values
        • Versioning Allowed Value Sets
      • Guidance on identifiers, ISO codes lists and dates
        • Avoiding the use of proprietary Identifiers
        • Bar codes of various lengths
        • Can a release be identified by an ISRC?
        • Communication of identifiers in DDEX messages
        • Do DPIDs have hyphens?
        • How many DPIDs Do I need?
        • Identifiers for resources and releases and parties
        • Identifying chapters
        • Identifying sound recordings and videos containing the same audio
        • Limitations of proprietary identifiers
        • Malformed identifiers
        • Multiple proprietary identification systems
        • Opus and composer catalogue numbers
        • Proprietary identifiers
        • The importance of ISRCs
        • Use of ISRCs as the primary database key
        • Territory codes using ISO 3166-1 or ISO 3166-3 or TIS
        • Worldwide
        • ProductionDate vs. CreationDate
        • Communicating territories in MWN 1.3
      • Guidance on XML Issues
        • Comments
        • Direction of writing
        • Do not use CDATA to concatenate data
        • Importing RIN files into RIN files (RIN 1.0 only)
        • Java library's date bug for 2020
        • Locations of XSDs
        • Namespace and file locations for the XSD for allowed value sets
        • Order of XML attributes
        • Preambles for XML-based DDEX messages
        • Referencing composites using ID and IDREF
        • Semantics of repeating XML tags
        • Special XML characters (and how to avoid &)
        • Handling 'odd' characters
      • Guidance on release/resource/work metadata
        • Animated cover art
        • Classical Music – Genre vs Structure
        • Clip samples
        • Communicating previews and clips used for shorts in ERN 4.3 and later
        • Communicating award information in MEAD and PIE
        • Communicating classical releases and resources
        • Communicating focus tracks in MEAD and PIE
        • Communicating genres in ERN and which in MEAD
        • Communicating mood in MEAD
        • Communicating recording locations in MEAD and PIE
        • Communicating stems
        • Communicating lyrics
        • Communicating titles in ERN and MEAD
        • Creation dates
        • Differentiating versions using SubTitle in ERN and RDR-N
        • Display Titles in RDR
        • ERN message without resources
        • Genres
        • Handling immersive audio
        • Handling of tracks that are not cleared
        • Hidden sound recordings
        • Images for box sets
        • Impact date
        • Instrumental music in ERN-3
        • Keywords
        • Linking different releases and resources
        • Metadata in different languages
        • Mixing classical with popular music
        • Multiple instances of the same recording in the same release
        • Original release date, release date and other dates
        • Parental advice labels
        • PLine and CLine
        • Primary and secondary resources
        • Product types in titles
        • Public domain works
        • RDR-N ResourceList
        • ReferenceTitle of a SoundRecording
        • Release types for TrackReleases
        • ResourceGroups are mandatory in ERN
        • ResourceGroups and TrackReleases
        • Resource types
        • Same recording with different metadata in different releases
        • Samples for classical music in ERN-3 and ERN-4
        • Sequencing resources
        • Territorial variations in the SoundRecordingDetailsByTerritory Composite in RDR-N
        • Territorial variations in release descriptions
        • Theme in MEAD
        • Titles and subtitles in ERN-3
        • Titles and subtitles in ERN-4
        • Translating and transliterating titles
        • TrackReleases
        • Contents of a RIN message
        • Subtitles in multiple languages
        • ResourceGroup hierarchies
      • Guidance for flat-file issues
        • Delimiters and special characters in flat file messages
        • Deprecated Cells in DSR, CDM and RDR-R
        • DSR and CDM messages exported from spreadsheet applications
        • Handling long titles and special characters in the DSR, CDM and RDR-R standards
        • MRBV vs SRBV
        • Multiple identifiers for multiple parties in flat-file standards
        • No data for mandatory fields
        • Profile names in DSR and CDM
      • Guidance on message exchange protocols and choreographies
        • Access credentials
        • Acknowledgements and non-repudiation
        • Differentiating inserts from updates
        • ERN messages as a statements of truth
        • File naming convention for DSR masterlist reports
        • Generating and processing ERN batches
        • MEAD messages as a statement of truth
        • MEAD information for a taken-down release
        • MEAD messages as secondary resources in an ERN feed
        • No resources in initial delivery
        • Order of ERN processing
        • Prioritisation of ERN messages
        • Signalling rights conflicts in ERN-C status updates
        • Update Indicator
      • Deals and commercial aspects
        • Adding tracks to a playlist before street date
        • Active deals at time of sending an ERN
        • Album streaming
        • Availability and visibility
        • ApplicableTerritoryCode vs deal territories
        • Avoiding "Dropouts" (or: how to signal Deal changes)
        • Cancelling a Deal before Street Date
        • Communicating deal dates
        • Communicating impact dates in MEAD and PIE
        • Communicating old currencies
        • Communicate territory information in different kinds of releases
        • Complex deals can be dangerous
        • Dates in deals are being phased out in favour of datetimes
        • Deals without StartDate or StartDateTime in ERN-3 and ERN 4.1
        • Exclusive vs inclusive deals
        • Displaying deal dates to consumers
        • DoNotDisplayDates in ERN 4.3 and later
        • Handling conflicts in RDR
        • NewReleaseMessage with no deal
        • LiveStream
        • Multiple CommercialModelTypes or UseTypes in one deal
        • Multiple consecutive deals
        • Multiple deals for one release
        • No takedown in initial deal
        • NetAmount and NetRevenueInCurrencyOfAccounting
        • Podcasts in DSR
        • Price information
        • Recommended use of CommercialModelType and UseType in ERN-4
        • Reporting sales or usages for individual tracks
        • Registering compilations in RDR-N 1.5
        • Revenue and IndirectValue
        • RightsClaimPolicy
        • Start dates, end dates, start datetimes and end datetimes
        • Takedowns
        • Territories in deals and release descriptions
        • Territorial scope of a deal
        • Territorial scope for visibility dates in ERN 4.3 and later
        • Territorial takedowns
        • Updating a claim in RDR
        • UseType for fingerprinting services
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MWL explained

You can access the current version of the MWL standard here.

Purpose of MWL

Structure of MWL

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