Toggle instruments in and out, pick from 10 loops per instrument, switch the clave between 2–3 and 3–2, and hear how every part locks in.
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Clave 2–3: the side with two hits falls on counts 1–4, the three-side on 5–8. Switching moves all the percussion half a bar against bass and piano.
Inside the Band
Every instrument in the mixer above, what it actually does — plus the voices of salsa you'll hear on records that aren't in this lab yet.
In the mixer
Clave
Two hardwood sticks struck together. The 5-note pattern (3+2 or 2+3) is salsa's DNA — every other instrument's phrasing aligns with it, even when the clave itself isn't being played aloud. If a band member plays "against" the clave, musicians say the music is cruzao — crossed.
Congas (Tumbadoras)
Tall Cuban hand drums, usually two or three: the conga and the higher quinto/tumba. The repeating tumbao pattern — palm, fingers, and the open slap landing on the "and" of beat 2 and on beat 4 — is the physical pulse dancers lock their steps to.
Bass (Baby Bass)
Often an electric upright "baby bass" with a fat, percussive tone. The bass tumbao famously anticipates — landing ahead of where your ear expects the downbeat — which is why salsa feels like it's perpetually leaning forward. The harmonic anchor of the whole band.
Bongó
Two small drums held between the knees — the sharp, chattering voice on top. Plays the steady martillo ("hammer") pattern but is the rhythm section's licensed improviser, dropping fills that answer the singer. In the montuno, the bongocero often switches to the handheld bell.
Güiro
A hollowed gourd with carved ridges, scraped with a stick. Its long-short-short strokes create a constant rhythmic texture — felt more than heard, until you mute it and everything suddenly feels naked. In son-based music its cousin the metal guayo appears too.
Maracas
Seed-filled rattles played in steady streams of eighth notes with accented flicks. Usually handled by a singer or corista, filling the top of the frequency range. Like the güiro, they're rhythmic glue — invisible until absent.
Timbales
Shallow metal-shelled drums on a stand, played with thin sticks. The cáscara pattern on the drum shells drives verses; rimshot cracks and abanico rolls announce section changes. The timbalero is the band's traffic controller — Tito Puente made this seat legendary.
Cowbell (Campana)
The hand bell the bongocero picks up when the montuno hits — big open strokes on the beat that lift the whole band's energy a gear. When you hear the campana enter, the dance floor knows: the open section has arrived. The timbalero has bells too (mambo and cha-cha bells) mounted on the stand.
Piano
Plays the guajeo (or montuno pattern) — a hypnotic, syncopated two-or-four-chord loop that is both rhythm and harmony at once. It's the bridge between the percussion section and the melodic instruments. Eddie Palmieri and Papo Lucca turned this loop into an art form.
Heard on the records — not in the lab yet
Trumpets
The bright cutting edge of the horn section — fanfares, mambo melodies, and screaming high-note climaxes. Salsa trumpet lines trace straight back to the Cuban son conjunto tradition. Listen to any Fania recording's mambo section and the trumpets are leading the charge.
Trombones
The gritty, aggressive growl that defined New York salsa dura. Willie Colón built his whole early sound on trombones with no trumpets — heavier, darker, streetier. Modern bands like Tromboranga carry that all-trombone flame today.
Tres Cubano
A small Cuban guitar with three doubled string courses, playing ringing guajeos. It's the ancestral voice of son — the role the piano later absorbed in big-band salsa. You'll hear it on anything rootsy or típico, and across the border in Puerto Rico its cousin the cuatro appears (that's Yomo Toro's blistering solo on "La Murga").
Flute & Violins (Charanga)
The elegant, airy sound of the charanga format — wooden flute floating improvisations over sweet violin riffs. This is the lineage of Orquesta Aragón and early Fajardo, and it's the sound that birthed pachanga and shaped bands like Orquesta Broadway. A completely different flavor from the brass-heavy salsa dura.
Sonero & Coro
The human instruments. The coro (background singers) repeats the hook; the sonero improvises answers between repetitions — the call-and-response engine driving every montuno. Great soneros like Héctor Lavoe and Ismael Rivera phrase like drummers, playing with and against the clave.
📱 Put the Rhythm Lab on your phone
Members can add the lab to their home screen as an app — with its own icon, full screen, and already logged in.
iPhone / iPad
- Open salsamadras.one/srl in Safari and log in (top right, Log In).
- Tap 📱 Get the phone app at the top of the lab.
- Tap Share (the square with the arrow) → Add to Home Screen → Add.
- Open the new Rhythm Lab icon — you're already logged in.
Android
- Open salsamadras.one/srl in Chrome and log in (top right, Log In).
- Tap 📱 Get the phone app at the top of the lab.
- Tap Install — or open the menu ⋮ → Install app / Add to Home screen.
- Open the new Rhythm Lab icon — you're already logged in.
The phone app comes with the €20 lifetime unlock. The install link from “Get the phone app” is personal and works for 24 hours — if it has expired, just tap the button again.
Sound Credits
Every instrument you hear in this lab is a real recorded performance from House of Loop's Latin percussion collections — used here with their kind permission.
If you like these sounds, support the people who recorded them: browse the Latin Percussion Bundle, the Latin World Percussion pack, or their full sample pack catalog — all royalty-free, recorded in 24-bit WAV.