Marco Efraín Masís Fernández grew up in Puerto Rico, the son of a Costa Rican father and Dominican mother, in a household where reggaeton wasn't allowed but merengue and bachata played constantly. A family friend from church, the producer Nely, introduced him to the duo Luny Tunes, who signed him at fifteen. Through the rest of the 2000s, billed as Tainy, he apprenticed inside the Mas Flow scene that produced 'Gasolina' and 'Pam Pam,' then spent his twenties importing outside techniques — Timbaland's arpeggios, the Neptunes' minimalism — into reggaeton's rigid dembow pattern. That fusion made him the primary architect behind Bad Bunny's sound on X100PRE and YHLQMDLG, a repeat Grammy and BMI winner, and in 2023 a billed solo artist with the album Data. Tainy didn't invent reggaeton's rules; he kept smuggling in everyone else's.
Tainy was fifteen when a church friend, the producer Nely, walked him into a room with Francisco 'Luny' Saldaña and asked him to build a beat on the spot. He passed the audition and was signed within the hour. Luny Tunes had spent years turning reggaeton's underground chaos into something structured — 'Luny Tunes put it like how it's supposed to be,' Tainy told Rolling Stone, 'arrangements, chord progressions, those synths that make it more like a song and not as much just a freestyle.' He learned to build a track, not just loop one, by watching them work.
listen forDuring the 2020 lockdown Tainy staged an Instagram Live beat battle against his old mentors, pitting his own 'Safaera' against their 'Gasolina.' Cue up Luny Tunes' 2004 production and hear its single, insistent horn riff riding the dembow pulse — the disciplined 'song' shape Tainy learned from them. Then play 'Safaera': the same dembow foundation is still under there, but Tainy splinters it into a collage of tempo lurches and interpolated breaks, stretching the arrangement he was taught into something closer to chaos.
By his late teens Tainy had moved past mimicry and started reverse-engineering specific techniques from outside reggaeton entirely. Timbaland's work on Justin Timberlake's 2006 album FutureSex/LoveSounds became a particular obsession. 'Listening to Timbaland, the synth arpeggios he was using on the Justin Timberlake album, I tried to see how could I fit this into reggaeton,' he told Rolling Stone — naming the exact mechanism, a bright, cascading synth pattern borrowed from R&B production, that he set out to graft onto dembow's rigid drum pattern.
listen forPlay 'My Love,' where Timbaland loops a bright, tumbling synth arpeggio under Justin Timberlake's falsetto, all space and click-track precision. Then play 'Callaíta': the same cascading arpeggio opens the track, but Tainy drops it into a stripped reggaeton pulse and lets it hang over near-silence between hits — the drum pattern reggaeton demands, dressed in the futuristic synth language he picked up studying Timbaland's records.
Tainy names the Neptunes — Pharrell Williams and his production partner Chad Hugo — in the same breath as Timbaland and Luny Tunes among the producers he studied as a teenager. 'I started studying everybody's production—Timbaland, Luny Tunes, The Neptunes—and trying to find my place until I was at a level that I could show artists,' he told LADYGUNN. What he absorbed from them wasn't a sound to copy but a discipline: the confidence to build a hit out of almost nothing — a hard drum pattern and open space instead of layers.
listen forThe Neptunes built 'Drop It Like It's Hot' out of little more than a tongue-click beat and a stalking bassline, daring the track to stay interesting with almost nothing filled in. Tainy chased that same emptiness on 'Yo Perreo Sola': Bad Bunny wanted it 'rough, underground, not perfect it too much,' Tainy told Rolling Stone — 'it's mostly bass and drums.' Both tracks let the vocal carry the whole melody, trusting silence around the beat instead of filling it.