ersa: Chord Machine

Ersa is a chord machine for exploring harmony, shaping sounds and building loops. Choose a key, play chord pads and turn musical ideas into performances. PLAY AND EXPLORE Play chords with touch controls and explore different chord qualities and voicings. Switch between chord, strum and arpeggiated performances. SHAPE YOUR SOUND Explore built-in sounds and adjust effects to suit your music. Save presets for ideas you want to return to. BUILD LOOPS Record and layer musical parts with looping tools. Ersa works without an account. Sound generation and looping happen on your device.