See a stereo signal from every angle.
See a stereo signal from every angle.
Six effects. Your order.
A fixed pedalboard for spacious guitar.
A stereo delay that shows each repeat as it moves across the beat.
Choose a chord. Strum the air.
Nine tuned steel notes, with no extra tenth note.
Starting points you can copy into your own project, in Studio or with maru remix @maru/<slug>.
See a stereo signal from every angle.
A fixed pedalboard for spacious guitar.
Choose a chord. Strum the air.
Nine tuned steel notes, with no extra tenth note.
A free instrument for playing layered sample libraries.
Catch the peaks. Keep the stereo image.
A synth controlled through a visual tuning display.
A complete open tape path for printing a signal.
Two oscillator banks with continuous frame morphing.
Bend echoes and space through a living prism.
Write music in Symbolic Cycle and hear it as MIDI.
A recording split into a playable grain cloud.
A channel vocoder for any live or recorded input.
A struck gong voice with a late shimmer.
Modelled bronze instruments with flexible tuning.
A 32-step Matrix, with ties, ratchets and a curve lane.
A clock-synced drum grid you can draw directly.
Separate, compare and play aligned audio stems.
Draw a melodic line on a clocked pitch grid.
A vocal tract you play like a synth.
The original time-based Granular instrument, kept playable.
Turn a lead sheet into a written practice session.
Six operators with an editable FM matrix.
Play melodies and chords on interval-based note grids.
Six operators, thirty-two ways to turn motion into tone.
Map hand gestures to MIDI control.
A sixteen-pad drum machine whose whole kit morphs across three faces at once.
Two modelled tine instruments: kalimba and music box.
A physical string model, rendered per note.
Walk held notes through a rhythmic pattern.
A pickup-position model for tuned tine voices.
A bell voice whose chord stays minor in any key.
Browse human drum performances and audition selected bar regions.
A step sequencer and arpeggiator on one grid.
A Synth1-inspired virtual analog instrument.
A sample-free drum synth with ten circuits and sixteen steps.
Generate a progression, then route or export its MIDI.
Map camera motion to MIDI CC.
Two synth voices. One expressive sound.
A full dynamics compressor with a filterable detector.
Live style transfer from catalog models.
A resonant low-pass filter for shaping tone.
A physics sequencer: falling balls play tuned planks.
A compact subtractive synth for learning the signal path.
A low-pass filter driven by an LFO.
Play NAM captures, A1 or A2, in your browser.
A tonewheel organ with nine drawbars and no attack stage.
Pitch modulation from a modulated delay line.
Turn single notes into chords.
A four-operator FM keyboard with no filter.
Shift notes while keeping held notes safe.
Shape, compress, or randomize note velocities.
Choose the harmonic produced by the distortion.
See the notes and controls reaching a module.
Move a signal across the stereo field.
A sawtooth ensemble with chorus.
Send each MIDI channel to its own instrument.
Periodic amplitude modulation with stereo phase control.
Add timing and velocity jitter for human feel.
Shape a kick from pitch drop, body, click, and drive.
Two oscillators with independent pitch, level, and stereo position.
Let game inputs shape a four-layer score.
Transpose notes by semitones and octaves.
A compressor with visible gain reduction.
A noise gate with a clear threshold.
Play an nn_terrain surface through a RAVE decoder.
Shift every partial by the same number of Hz.
Tube-style drive into a real cabinet.
Add breath and attack to a voice.
Move a source and receiver, then hear the room.
Cross-coupled delay with alternating repeats.
Three-band equalization with two crossovers.
A short modulated delay that widens one voice.
Bit reduction and sample-rate reduction for digital grit.
Strike and shape a resonant object.
A bounded feedback delay for repeats and ambience.
Adjust stereo width without changing the dry signal.
Add harmonics with a waveshaper.
Drive, tone, and bounded feedback delay.
Four controls for plucks, pads, and everything between.
Turn stereo sound into a granular cloud.
A compact virtual-analog voice with patchable control.
Algorithmic room reverb with bounded feedback.
Play a MIDI file into a connected instrument.
A resonant filter driven by your playing level.
Strike a resonator, then patch its shape and motion.
Extract a drum pattern from audio as MIDI.
Sound banks for Maru Sampler. Play one here, or add it to the sampler app or the plug-in in your DAW. Banks with their own interface or sound processing ship inside a module, like Tetra Box: remix the module to make your own.


Five key ranges x two velocity layers of sampled keys, mapped A0..C8. The prototype sampler's shipping instrument, converted to a reader bank.

A Yamaha C5 grand with broad pitch coverage: one recorded layer every six semitones, useful for hearing range and chord voicing. For recorded changes in touch, play the companion Salamander Expression bank. These notes are shortened to 2.1 seconds. Samples by Alexander Holm, Salamander Grand Piano V3 (CC BY 3.0); edited by Maru.

A tonewheel rock-organ registration recorded from setBfree (FreePats, CC0). Six looped notes one octave apart, C2..C7, left channel of the rotary pair.

An expressive Yamaha C5 grand for testing soft, medium and strong strikes over a wide keyboard. Three true recorded velocity layers at eight roots keep attack and brightness responsive within the reader budget; tails are shortened. Samples by Alexander Holm, Salamander Grand Piano V3 (CC BY 3.0); curated and edited by Maru.

An intimate Kawai upright recorded in a living room: two genuine soft/hard velocity layers across a broad keyboard, useful for expressive chords and comparing touch. Samples are spaced about nine semitones and shortened to two seconds for the reader. Recorded by Gonzalo and Roberto for FreePats, Upright Piano KW (CC0).


A bright, plucked concert harp with a broad playable range and genuine soft/strong recordings on selected notes. Good for testing pitch mapping, transients and velocity response. Performed by K. Smith for Versilian Community Sample Library; assembled by Roberto for FreePats (CC0).

Xylophone bars layered over a soft synth pad, each with its own effects: the bars in a bright room, the pad through a slow chorus into a long, moving hall on a second effect bus. Pad blends the layer in and out, Wash sets how far it sits in its hall, Space the bars' room. Xylophone from the Versilian Community Sample Library (CC0, via FreePats); Aurora Keys by Maru (CC0); layered by Maru.



Seven GM-mapped drum zones: kick, two round-robin snares, clap, two round-robin closed hats and an open hat, hats choked together.

A punchy acoustic rock kit with two sampled dynamics on most drums and alternate takes per key, including two kicks, snares, hats, cymbals and toms. Use it to test velocity boundaries and repeated hits. Recorded by Lars Muldjord; stereo edition assembled by Roberto for FreePats (CC BY 4.0); curated and shortened by Maru.

A varied hand-percussion palette: cajón, bongos, shaker, tambourine, claps, claves, conga, maracas and darbuka. Alternate real strikes make repeated patterns less mechanical. Recorded and assembled by Xavimart, Gonzalo and Roberto for FreePats; claves and conga include Versilian Community Sample Library recordings (CC0).


Aurora Keys and Pocket Kit in one bank: melodic and percussive positionings over one asset table, with presets across both. Hosted, not compiled in.

One 16-pad Moodbank per cinematic sci-fi drumkit genre: trailer taiko, hybrid breakbeat, alien organic, ship foley, mech industrial, crystal tuned, dystopian trap, glitch hybrid, choir stab and deep-space ambient. Hosted, not compiled in.

Kits seeded from real recordings: the Maschine LoRA started from a song's most percussive stretch instead of from noise, so each pad carries something of that record's drums (MOD-103). Every positioning names its source recording, artist and licence. SHARE-ALIKE: one kit derives from a CC BY-SA 3.0 recording, so the audio distributed in this bank inherits that condition -- redistribution must keep the attribution and license the same way. Hosted, not compiled in.
