180 BPM is typical for Drum & Bass. One beat lasts 333.3 ms and a 16-bar phrase runs 21.3 seconds.
Top Drum & Bass tracks| 1 beat (1/4 note) | 333.3 ms |
|---|---|
| 1/8 note (delay) | 166.7 ms |
| 1/16 note | 83.3 ms |
| 1 bar (4/4) | 1.33 s |
| 16-bar phrase | 21.3 s |
| Half time | 90 BPM |
| Double time | 360 BPM |