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italo / proto-house · A minor — i, III, v · 112 bpm · 4 bars · 2 tracks

grandmother · 16th arp

112bpm 16th-note arpeggio in A minor over a 909 four-on-the-floor. The arp walks A → C → E → G → A → E → G → C across the bar. tape on for cohesion. swap moog→hookeclav or hookelead via the override panel to hear the actual grandmother play it.

reference · Giorgio Moroder / Donna Summer / mid-80s synth-pop · 16th arp template · 1979
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grandmother · 16th arp

112 bpm·4 bars·2 tracks·ref 1979

112bpm 16th-note arpeggio in A minor over a 909 four-on-the-floor. The arp walks A → C → E → G → A → E → G → C across the bar. tape on for cohesion. swap moog→hookeclav or hookelead via the override panel to hear the actual grandmother play it.

● swap instruments · 2 tracks in this pattern
  • track 1 · 60 notes · default: TR-909
  • track 2 · 32 notes · default: Minimoog

swap a track's synth for your captured multisamples (e.g. minimoog → Moog Grandmother dubbass). preview to hear it through the real gear instead of the synthesis approximation.

the chain · toggle the signal path

chain order is fixed: drive → tape → delay → plate. matches nick's real signal flow.

what's happening
your midi is parsed in your browser. notes are routed through the selected synthesis engine (real circuit models, no samples). offline audio context renders the result. wav file lands in your downloads. nothing leaves your machine.
coming next
multisample instruments — actual recordings of nick's Mother / Wurli / MS-20 / SP-1200 patches from la burbuja, plus FX chain modeling his real signal path (tape · drive · delay · plate) + room IRs (la burbuja · the spacepit).
the story · the technique · the why

the 16th-note arpeggio is the engine of italo-disco, hi-NRG, proto-house, mid-80s synth-pop. one short note every 16th, never stopping, walking through the chord shape so the harmonic motion is implied by sequence rather than stated by chords. giorgio moroder built donna summer's "i feel love" on this principle — the famous bass line is just a moog modular sequencer running 16th notes through arp shapes for the entire song. patrick cowley extended it. arthur baker dropped it on planet rock. by 1983 it was a vocabulary every dance producer had to know.

the pattern here walks A → C → E → G → A → E → G → C — root, b3, 5, b7, octave back to root, then mirrors. eight 16ths per bar, repeating. on a synth you let the patch's filter envelope do the dynamics; on a sampler you're at the mercy of the sample. the grandmother is in between — it's a real synth, but for our pack we've captured it as a multisample, so the dynamics come from the natural amp envelope inside the patch you chose.

drums are a straight 909 four-on-the-floor at 112bpm — kick every quarter, hat on the 8ths with the open hat on the up-beat. minimal but enough to lock the arp into the floor. tape on by default to glue the 909 + grandmother into one record-sounding artifact.

swap the bass track from ENGINE_MOOG → Grandmother — Hookeclav (raw) for a pluckier delivery, or → Hookelead (raw) for a smoother sustained voice. you'll hear immediately which patch FITS the arp best — that's the value of having 16 captured variants in a single pack.

the common mistake

treating the arp as a melody to compose. it's a pattern to LOCK. the magic is in the timbre evolving over the same notes, not in the notes evolving. set the arp, then change the filter / envelope / FX. like berlin school but at 112bpm.

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