Dave from Bitwig walks through building a conditional note echo inside Bitwig Studio's Note Grid, using a purely musical mindset rather than a signal-routing one. The patch starts simple: duplicate the note output into a dry channel and a wet channel, transpose the wet signal down an octave, and attenuate its velocity so it sits quietly behind the original note.
A Gate Delay module turns the wet channel into a rhythmic echo, repeating the note a 16th note later. The real creative move comes next: routing a Keys Held module through a comparator set to three makes the echo conditional. When fewer than three notes are held, nothing passes through. When you reach a chord, the ornament kicks in.
The result is a patch that responds to how you play, not just what you play. Sparse single notes stay clean, and denser chords automatically pick up the echo layer. That kind of density-sensitive behavior is hard to dial in with static effects but straightforward to build once you think of Keys Held as a performance control source rather than a diagnostic tool.