Unknown
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About this beat
Unknown is a 138 BPM dark trap, released in 2024, 88 bars long. Here's how those 2:33 move and what fits over them.
“Unknown” opens light and takes about 13 seconds to fill out. Use those 13 seconds: entering over a bare loop reads more deliberate than rapping into a wall of drums. The dynamics swing hard — about 32% variation between the loudest and quietest stretches, with the peak hitting near 1:18. A verse written at one intensity will feel flat by 1:32.
At 138 BPM “Unknown” sits in trap tempo, faster than 74% of the 82 beats in this catalogue. Most writers fit 14–18 syllables per bar at this speed — over 88 bars that's around 1,400 syllables if you fill every one. Most rappers ride this in half-time — count 69 and it feels like a slow beat with fast hats underneath.
The beat runs 2:33 — about 88 bars at 138 BPM. That's room for an intro, 4 sixteen-bar verses and hooks between them.
It's in Em. A minor key does half the storytelling before a word lands — anything written over Em reads heavier than it would on a major beat. Check your vocal range against Em before you track a sung hook.
The free demo of “Unknown” is tagged mp3 — 2:33 to write and cut a reference take against. The untagged WAV and trackout stems are on BeatStars from $44.