Sidechaining a sustained sound to a muted kick creates rhythmic pumping without an audible drum

A creative sidechain technique sends a drum or click to a compressor on a sustained pad, piano, or synth, then mutes the drum so it is inaudible. The sustained sound still gets ducked rhythmically in time with the drum’s pattern, so the listener perceives a beat — a felt pulse — even without hearing the actual drum. A pre-fader send to the sidechain bus is what makes this possible: the kick fader can be muted while the sidechain detector still receives the signal. The move is common in electronic-music intros and build-ups, where the pumping arrives before the drop.

Examples

Route the kick to a bus named ‘sidechain’, set the send pre-fader, mute the kick channel. The piano compressor still receives the kick and ducks rhythmically; the listener hears a pulsing piano with no kick until the channel is un-muted for the drop. The intro piano of Billie Eilish’s ‘Everything I Wanted’ works this way — a beat is felt before any audible kick.

Assessment

Explain why a pre-fader send is necessary for ‘silent kick’ sidechaining, and predict what happens to the piano ducking if the send is post-fader and the kick is muted.