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| Type of Release | Number of ResourceGroup lebels levelsfor Main Releases | Number of ResourceGroup lebels for Component Releases |
|---|---|---|
| Single | 2 (Release level + Resource Level) | 1 |
| Album | 2 (Release level + Resource Level) | 1 |
| Album with multiple Disks | 3 (Release level + Disk Level + Resource Level) | 1 |
| Album with multiple Disks of two sides | 4 (Release level + Disk Level + Side Level + Resource Level) | 1 |
| Classical Album | 2+ (the exact number depends on the hierarchy of works contained in the release (see Table 3 in Clause 5.2.5 Classical Album of the Release Profile Standard) | 1 |
...