The CD stub index contains the following fields you can search:
|artist||the artist name set on the CD stub|
|barcode||the barcode set on the CD stub|
|comment||the comment set on the CD stub|
|discid||the CD stub's Disc ID|
|title||the release title set on the CD stub|
|tracks||the CD stub's number of tracks|
Query terms without a field specifier will search the artist and title fields.