Do not use CDATA to concatenate data
The following code block is not correct.
<ResourceContributor> <PartyName> <FullName> <![CDATA[Anne Sofie von Otter [Contralto] & Susan Addison [Trombone] & Barbara Bonney [Soprano] & Hans Peter Blochwitz [Tenor] & Sir Willard White [Bass] & English Baroque Soloists [Orchestra] & John Eliot Gardiner [Conductor] & Mozart, Wolfgang Amadeus [Composer]]]> </FullName> </PartyName> </ResourceContributor>
Instead please separate the contributors out as follows:
<PartyList>
<Party>
<PartyReference>P1</PartyReference>
<PartyName>
<FullName>Anne Sofie von Otter</FullName>
</PartyName>
</Party>
<Party>
<PartyReference>P2</PartyReference>
<PartyName>
<FullName>Anne Sofie von Otter</FullName>
</PartyName>
</Party>
<Party>
<PartyReference>P3</PartyReference>
<PartyName>
<FullName>Susan Addison</FullName>
</PartyName>
</Party>
<Party>
<PartyReference>P4</PartyReference>
<PartyName>
<FullName>John Eliot Gardiner</FullName>
</PartyName>
</Party>
<Party>
<PartyReference>P5</PartyReference>
<PartyName>
<FullName>Wolfgang Amadeus Mozart</FullName>
</PartyName>
</Party>
</PartyList>
<ResourceList>
<SoundRecording>
[...]
<Contributor>
<ContributorPartyReference>P1</ContributorPartyReference>
<Role>
<Value UserDefinedValue="Contralto">Soloist</Value>
</Role>
</Contributor>
<Contributor>
<ContributorPartyReference>P2</ContributorPartyReference>
<Role>
<Value>Soloist</Value>
<InstrumentType>Trombone</InstrumentType>
</Role>
</Contributor>
<Contributor>
<ContributorPartyReference>P3</ContributorPartyReference>
<Role>
<Value>Conductor</Value>
</Role>
</Contributor>
<Contributor>
<ContributorPartyReference>P4</ContributorPartyReference>
<Role>
<Value>Composer</Value>
</Role>
</Contributor>
<Duration>PT0S</Duration>
</SoundRecording>
</ResourceList>