Hi
iM A dj of 30+ years and while traveling, I wanted to listen to and create playlists. That somehow seemed harder than i needed so I created my own. Its not Vibe coded, im also a programmer 
Crescendo — DJ Playlist Prep, Done Right
Crescendo is a professional playlist preparation tool built for DJs who take their sets seriously — designed from the ground up around real club and mobile-DJ workflows, not generic music-library software.
Core features:
- Local BPM, key & energy analysis — no cloud processing, no waiting
- Camelot wheel harmonic mixing — build sets that flow, not clash
- 21 point track frequency match — matching vocal, percussion, brightness & bass
- AI + voice playlist builder — describe the vibe, get a playlist, all on-device
- Transition saving — capture your favorite mix tracks and reuse them automatically
- DJ inspired themes — Match your favorite dj software style
- Set Lengths — Build your lists using your dj set length with compensation
- Direct Wi-Fi drag drop to library — Match your PC library and drag drop tracks
- M3U export — straight into Rekordbox, Serato, VirtualDJ, or Denon DJ
- Offline local music — No cloud dependency or latency
- Many other settings & features
Try it, then own it:
There is a free version with cool features and a pro version with awesome features.
No ads, no subscriptions, no additional feature paywalls, no data collection.
just you & your music
