Little Arp Monster – Advanced MIDI Arpeggiator and Generative Melody Composer
The deal
$29 at ADSR Sounds (down from $49, 41% off). Sale ends September 3rd, 2026.
What it is
Little Arp Monster is a next-generation MIDI arpeggiator plugin from Snorkel Audio built for composing evolving musical ideas rather than looping fixed patterns. It combines a 16-step scale-based sequencer grid, 16 Scenes, an Arranger, and a Spice randomization engine to turn simple chords into motifs, basslines, and melodic lines that keep developing over a track. Everything the plugin generates stays fully editable MIDI, so any AI-assisted idea can be refined by hand.
Who it's for
Producers working in electronic, ambient, synthwave, techno, or cinematic styles who want to break out of repetitive arp loops and generate fresh melodic and rhythmic ideas quickly. Also useful for songwriters who want a fast way to sketch chord-based motifs and basslines that adapt as a track evolves.
Key features
- The 16-step grid builds patterns from scale degrees, full chords, and rests instead of only fixed MIDI notes
- The Spice control dials randomization from tasteful variation up to bold, unexpected note choices while staying musically coherent
- 16 Scenes each hold their own pattern and settings, making it easy to build intros, breakdowns, and arrangement changes
- A synchronized modulation lane shapes performance details across every generated pattern in real time
