How to Program Drum Fills That Lead Into the Next Section

What is a drum fill and what does it do?

A drum fill is a short break from the main groove that marks the end of a phrase and points the listener toward what comes next. Drum method books describe it as a lick that fills the gaps or signals the end of a phrase, much like a mini-solo^[1].

Two rules from that tradition matter more than any pattern. The tempo does not change during a fill, and the time-keeping groove usually resumes right after it. Most fills are also simple and short^[1]. In a programmed beat, a fill is a transition tool first and a showcase second. If a fill makes the next section feel late, early or crowded, it is the wrong fill, however clever it sounds on its own.

• Announce A fill tells the listener a new section is coming, so the chorus or drop lands with more weight.
• Reset A loop that has repeated for 8 bars gets a short change, which makes the next 8 feel fresh again.
• Connect A fill smooths a jump between sections with different energy, for example a sparse verse into a full hook.

How long should a drum fill be?

Most programmed fills last one beat, two beats or one bar, and they sit at the very end of a 4, 8 or 16-bar phrase. Match the fill's size to the size of the change: small fills between repeats of the same section, longer ones before a new section.

Hardware drum machines build this habit in. Roland's TR-8S gives every pattern two dedicated fill-in variations and can insert a fill automatically at an interval of measures you set^[2]. Elektron's Digitakt II has a FILL mode for temporary variations such as drum fills, active for one pattern cycle or for as long as you hold the key^[3]. In a DAW, you get the same result by making a separate fill clip or pattern and placing it on the last bar of each phrase.

Tempo changes how long these feel. At 140 BPM one beat lasts about 0.43 seconds, so a one-beat fill is over almost before you notice it. At 90 BPM the same beat lasts about 0.67 seconds, which leaves room for more notes. For how sections usually stack up, see song arrangement for music producers.

How do you program a tom fill in MIDI?

Run 16th notes down the toms from high to low across the last one or two beats, raise the velocity toward the end, and hit a crash with the kick on the next downbeat. That shape works in almost every tempo and style that uses toms.

If your drum instrument follows the General MIDI percussion map, the toms sit on notes 50 (High Tom), 48 (Hi-Mid Tom), 47 (Low-Mid Tom), 45 (Low Tom), 43 (High Floor Tom) and 41 (Low Floor Tom), with Crash Cymbal 1 on 49 and Acoustic Snare on 38^[4]. Many drum plugins and MIDI drum packs follow this map, so a fill written once often plays correctly on other kits.

1. Clear the last two beats
   On the final bar of the phrase, delete the hats and snare on beats 3 and 4. Keep the kick on beat 3 if it anchors the groove.
2. Write the descent
   Place eight 16th notes: two on the high tom, two on the mid tom, two on the low tom, two on the floor tom. Swap in a snare hit at the start if the toms feel disconnected from the groove.
3. Ramp the velocity
   Start around 70 and finish around 115-120. A rising line makes the fill push forward instead of tumbling.
4. Land on the one
   Put a crash and a kick on beat 1 of the next bar at high velocity. Let the crash ring into the new section.
5. Make a second version
   Copy the fill and change one thing, such as a 16th rest before the last tom or a flam on the snare. Use version A after bar 8 and version B after bar 16.

Need tom samples with enough body for this? The free tom and fill samples roundup lists packs worth auditioning.

How do you program snare fills and short rolls?

Use a burst of snare notes at a finer grid than the groove, usually 16ths, 16th triplets or 32nds, with velocity climbing into the downbeat. Snare fills suit electronic styles where acoustic toms would sound out of place.

Your DAW can draw the velocity climb for you. Ableton Live's Ramp sliders set a start and end velocity and spread the notes evenly between them^[5], and Logic Pro's Crescendo transform preset raises a group of velocities from low to high^[6]. On a Digitakt II, a single step with a retrig rate of 1/32 plays two hits per step, and 1/12 or 1/24 gives triplets^[3].

• 16th snare run Four to eight 16ths on beat 4 or beats 3-4, velocity 70 to 120. The default choice for pop, boom bap and house.
• Triplet fill 16th-note triplets over one beat. Six notes where the ear expects four gives a rolling, slightly off-balance push.
• 32nd roll Eight 32nds over one beat. Keep the sample short, or the tails blur into noise.
• Flam accent Two snares a few milliseconds apart, the first one quieter. Put it on the last note of the fill to make the ending hit harder.

Rolls that last for several bars and rise in rate are a different tool, built for tension before a drop. The snare rolls and build-ups guide covers those rate progressions and the automation that goes with them.

Can removing the drums work as a fill?

Yes. Cutting the drums for one beat or one bar is one of the strongest fills in modern production, because the silence makes the next downbeat feel bigger. It works best right before a hook or drop.

The most famous drum entrance in pop plays on the same idea at song length. On Phil Collins' "In the Air Tonight", the full drum kit is held back until an explosive burst late in the song, and that drum break is widely cited as one of the best-known in pop^[7]. You do not need to hold back that long. A one-bar gap does the same job on a smaller scale.

1. Pick what to cut
   Mute kick, snare and 808 on the last beat or bar before the new section. Keep a hat, a vocal tag or a reverb tail so the track does not sound broken.
2. Add a pickup
   Put one snare, clap or open hat on the last 8th or 16th of the gap. It points to the downbeat.
3. Hit the downbeat hard
   Bring everything back on beat 1 together, with a crash or impact if the genre allows it.

In trap, this cut is often more effective than any tom or snare pattern. The trap drop guide shows how producers set up the hook with it.

What do drum fills look like in trap, house and rock?

Each genre has its own fill vocabulary. Rock uses toms and crashes, house uses snare or clap rolls and drops the kick, and trap uses hat rolls, 808 moves and drum cuts more than classic fills.

How do you stop fills from sounding repetitive?

Write two or three versions of each fill, use the smallest one most often, and save the biggest for the most important transition. A fill every four bars wears out quickly; every 8 or 16 bars is a safer default.

Probability helps too. In Ableton Live you can set a per-note chance in the Chance editor, so a pickup note or extra tom plays only some of the time^[5]. Keep the landing note at 100% so the downbeat never goes missing. Quiet notes inside a fill also make it breathe; the ghost notes guide explains the velocity ranges that work.

Finally, listen to the fill from a bar before it starts. Judging a fill in isolation almost always leads to something too busy.