Disc numbers follow DiscNumberStyle.
Note that a DiscNumber is not the same as a VolumeNumber. VolumeNumber
s are usually added to releases that are not released together and not on the same date; DiscNumber
s indicate releases which are part of a MultiDiscRelease, sold as one item.
ReleaseTitle: "The Best of Jimi Hendrix (disc 1)"
- Disc number: "1"
ReleaseTitle: "Mellon Collie and the Infinite Sadness (disc 2: Twilight to Starlight)"
- Disc number: "2"