>Step by step

Step-sequencing polymetric drums with Studio One’s Patterns

1 Studio One’s Patterns step sequencing system makes programming polymetric parts a cinch. First, I create a new Pattern and drag the cycle length out to 16 bars long on the main project timeline. With a sampled drum kit loaded, I program an unremarkable 4/4 kick drum into the Pattern.

2 By default, every lane of the Pattern is 16 16th-notes – or one 4/4 bar – long. Changing the length of a lane puts it into a different time signature without affecting its tempo, creating constant offsets and variations between lanes, and bringing even the most mundane individual lines together as a polymetric groove.

3 To change the length of a lane here, adjust its beats numerator in the lane parameters. Let’s start with the snare. Stretching its lane out to 20 16th-notes puts it in 5/4 time. The playhead on the snare lane now runs its own 20-step course, disconnected from the kick drum. I program notes on beats 2 and 5.

4 Let’s counter the extended snare lane with a shortened handclap lane. This time I make the lane 12 16th-notes long – ie, in 3/4 time – and place a hit on beat 3. And finally, adding a hi-hat line in 7/8 – or 14/16, as it’s literally represented here – completes the kit.

5 My pattern is only 16 bars long, which isn’t long enough for all four lanes’ downbeats to coincide. For seamless looping, length needs to be the lowest common multiple of the four lane lengths, calculated in 16th-notes, which an online Lowest Common Multiple calculator reveals to be 1680 16th-notes, or 105 bars.

6 With my polymetric pattern down, I can play around with the hits on each lane to tailor the temporal madness, and add further lanes in other time signatures. Another benefit of this step sequencer is that it enables changes to be made in real time, and stored as Variations for easy arrangement on the timeline.