70 BPM is typical for Ambient. One beat lasts 857.1 ms and a 16-bar phrase runs 54.9 seconds.
Top Ambient tracks| 1 beat (1/4 note) | 857.1 ms |
|---|---|
| 1/8 note (delay) | 428.6 ms |
| 1/16 note | 214.3 ms |
| 1 bar (4/4) | 3.43 s |
| 16-bar phrase | 54.9 s |
| Half time | 35 BPM |
| Double time | 140 BPM |