Sprint 2: Added 54 musicians with 78 band memberships
- Phish, Widespread Panic, Umphreys McGee core members
- Notable sit-in artists (Karl Denson, Branford Marsalis, Derek/Susan Trucks)
- Toy Factory Project supergroup (Oteil, Marcus King, Charlie Starr)
Sprint 4: Festival entity for multi-band events
- Festival and ShowFestival models
- /festivals API with list, detail, by-band endpoints
Sprint 5: User Playlists for curated collections
- UserPlaylist and PlaylistPerformance models
- Full CRUD /playlists API
Sprint 6: Venue Timeline endpoint
- /venues/{slug}/timeline for chronological cross-band history
Blockers (need production data):
- Venue linking script (no venues in local DB)
- Canon song linking (no songs in local DB)
