Methodology
What we track
For every track on every studio album, we record who wrote the lyrics, who composed the music, who produced it, and who performed on it.
How we score
The authorship score is the percentage of tracks where at least one current or former band member holds a lyricist or composer credit.
The labels
- 96–100% Complete Artist
- 81–95% Artist
- 61–80% Songwriter
- 41–60% Collaborator
- 21–40% Co-Performer
- 0–20% Singer / Performer