Riffer is a popular generative MIDI sequencer and chord/melody plugin developed by Audiomodern. Engineered to break writer’s block and spark spontaneous musical ideas, the plugin combines algorithmic pitch generation, step sequencing, duration controls, and velocity modulation into an intuitive, interactive interface. It is widely used across hip-hop, pop, electronic, Afrobeats, synthwave, and cinematic scoring to generate monophonic and polyphonic lead melodies, basslines, arpeggios, and rhythmic sequences.

The software centers around a smart generation engine where users can define musical parameters—such as root key, over 50 scales, step count (up to 64 steps), density, and octave ranges. Features in Version 3 include Polyphonic Mode, custom Keyboard Control, and an Infinity Mode for endless evolving patterns during live performance or studio improvisation. Patterns can be customized by locking specific steps (such as holding pitch while randomizing rhythm), tweaked via Shuffle & Shift for humanized timing, and instantly exported via drag-and-drop MIDI into any DAW. Riffer operates as a paid virtual effect/utility plugin in 64-bit VST, VST3, AU, and AAX formats for Windows and macOS (with native Apple Silicon support), as well as an iOS app.

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