100 BPM is typical for Downtempo, Ambient. One beat lasts 600 ms and a 16-bar phrase runs 38.4 seconds.
Top Downtempo tracks| 1 beat (1/4 note) | 600 ms |
|---|---|
| 1/8 note (delay) | 300 ms |
| 1/16 note | 150 ms |
| 1 bar (4/4) | 2.40 s |
| 16-bar phrase | 38.4 s |
| Half time | 50 BPM |
| Double time | 200 BPM |