Chords engine
ENGINE

Chords engine

12+ available Instruments

Chords is designed to help you build harmonic progressions and atmospheric textures quickly. The engine generates full chords from single MIDI triggers—however you input them. Dispersion adds strummed, humanized timing that makes programmed input feel organic and played. Random inversion keeps voicings shifting across octaves, preventing static loops. Repetition mode creates evolving patterns automatically, with overdub letting you layer up to four chord progressions for rich, complex harmonic beds.

Engine features

Whether you're building ambient beds, creating evolving pad textures, laying down progressions for beats, or generating melodic foundations that sound intentional rather than programmed, Chords turns simple MIDI input into rich harmonic landscapes. Just ideas and experimentation.

Quick macros control pitch warble for lo-fi character, layer blending between two sound sources, and filtering for tonal shaping. Deeper settings let you offset layers in time, add textural noise, adjust individual effects sends, and customize how the engine responds. Six FX processors provide saturation, EQ, modulation, filtering, delay, and reverb for complete sound design.

Explore more than 100 instruments in FFOSSO

Build your own unique instruments in an approachable, modular sonic playground.

FFOSSO v1.0.0 / System requirements