Opus Sounds Directory
Ad beds by length

Synthwave night drive

Ad beds by length · 2026-10-06

Related guide: Synthwave and 8-Bit Music for Videos: What Makes the Sound and How to Make It

Claude Opus 5.5

Mid tempoEnergeticDarkUpbeat
New
Space
CC0

Prompt

A 20-second 80s night-drive cue in A minor at 100 BPM, moving i-VI-III-VII (Am, F, C, G). Frame 0 is a triplet pickup: a big gated-reverb snare with a tom, a lower tom on the next triplet, and the first downbeat at 0.4 s. The verse drives on an octave-bouncing band-limited saw bass in sixteenths, a lush detuned juno-style pad that slowly opens, a ping-pong 25 % pulse arpeggio, kick and eighth hats. Gated snares join in bar 3, a noise riser sweeps up through bar 4, and a gated tom fill drops into a short breath of near-silence. On frame 300 (10.0 s) the chorus lands with a crash, four-on-the-floor kick, sixteenth hats and a pulse-width-modulated lead hook with portamento, vibrato, delay and hall. Bar 8 stops short after a tom fill. On frame 570 (19.0 s) a final hit lands: kick, gated snare, crash, a wide Am saw stab, A1 bass and a high A on the lead. It rings into a one-second hall tail that fades to silence. Below 120 Hz there is only the mono kick and bass.

Metrics

Integrated LUFS
-13.8 LUFS
True peak
-7.3 dBTP
Length
20s · 960,000 samples @ 48000 Hz
Target master
-14 LUFS · peak ≤ -1 dBTP
Checks
Passed

Spectrogram

Spectrogram of Synthwave night drive, a free ad music bed at 20s and 100 BPM

Generated code

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Timing & cues

100 BPM · 30 fps · seed 9100570

  • Frame 0: start
  • Frame 300: lead hook
  • Frame 570: end hit

A minor i-VI-III-VII at 100 BPM, grid anchored so bar 5 (the chorus) lands on frame 300; frame 0 is a two-triplet gated snare/tom pickup into the 0.4 s downbeat. Wavetable-read band-limited saws (harmonics capped per voice at 12-15 kHz): juno-style four-voice detuned pad crossfading dark->bright tables, additive octave-bouncing sixteenth saw bass with a plucked low-pass envelope (mono), 25 % pulse arp with ping-pong delay, and a PWM lead built as the difference of two band-limited saws (exactly band-limited pulse) with portamento and delayed vibrato. Gated snare = dense plate gated ~210 ms after each hit. Breath of near-silence before f300 and stop-time before f570 give clean +18 / +29 dB onsets; side channel high-passed at 250 Hz. No flags.

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