Space
Prompt
A 3-second clean electric-guitar logo sting in A major. From frame 0 three bell-like natural harmonics ring out one beat apart in a rising figure, each on its own string so they overlap: A4 at the 7th fret of the D string, B4 at the 12th fret of the B string, then E5 at the 12th fret of the high E string. Each one is a picked string with a finger resting on a node, so only the partials that are multiples of 3 (7th fret) or 2 (12th fret) survive, after a tiny damped "tick" from the rest. On frame 45 (1.5 s) the fretting hand lands and a fast downstroke rolls an open-voiced A major add9 chord across all six strings (A2 E3 A3 C#4 B3 E4; the open B rubs against the fretted C#). A light touch of the tremolo arm adds a shimmer. The tone is a clean single-coil neck pickup, with a touch of the middle coil, into a light compressor and a clean tube amp with a 1x12 open-back cab, then a lush stereo chorus. A dotted-eighth ping-pong delay with a faint octave-up shimmer and a small plate fill the space. Everything rings out to silence by 3.0 s. Only the guitar's own low notes sit below 120 Hz, and they are mono.
Metrics
- Integrated LUFS
- -14.02 LUFS
- True peak
- -1.3 dBTP
- Length
- 3s · 144,000 samples @ 48000 Hz
- Target master
- -14 LUFS · peak ≤ -1 dBTP
- Checks
- Passed
Spectrogram
Generated code
Loading…Timing & cues
30 fps · seed 45903
- Frame 0: harmonics
- Frame 45: chord
Additive stiff-string guitar model: pick-position and magnetic-pickup combs, per-partial loss, two polarisations, attack pitch glide. Natural harmonics keep only modes that are multiples of 3 (7th fret) or 2 (12th fret), with a finger-width damping that relaxes the ping into a bell-like tone. Three harmonics (A4, B4, E5) rise one beat apart from frame 0. The fretting hand damps them 34 ms before frame 45, where a 6-string Aadd9 downstroke rolls in about 10 ms per string. Rig: compressor, clean tube amp at 4x oversampling, 1x12 cab, stereo chorus, dotted-eighth ping-pong delay with an octave-up shimmer send, and a small plate. The side is high-passed at 330 Hz. No special flags.
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