# Vault mentality Prince's vault was a vault of fully mixed songs. CAT, a collaborator of his, said it was about 2000 songs when she was there. Sonny Thompson, another collaborator, said we may never get to hear everything in the vault laughing, "If you could, you'd probably be sitting there for ten years."[^1] [^1]: [PRINCE's work ethic - YouTube](https://www.youtube.com/watch?v=ECGcTM_gk4s&t=422s)