1. LIKELY CAUSES * “Orchestral” and “dramatic climax” may have steered the arrangement toward heavy cinematic percussion and an early swell. * “Slow build” left the opening length, the timing of the climax, and the drop in energy afterward unspecified. That may have contributed to the early peak and sustained loudness. * The prompt omitted an explicit instrumental direction. “Orchestral” may have left room for a wordless choir. * “Epic ending” may have encouraged an emphatic finish. The prompt gave Suno no direction to let the sound decay gradually. * The prompt gave no duration target, leaving room for a 2:20 arrangement. 2. WHAT TO PRESERVE * Instrumental cinematic dark ambient for a science-fiction short film. * A cold, spacious, lonely atmosphere with a slight sense of threat. * Atmospheric synths, deep bass, and subtle orchestral textures. * A quiet opening, slow development, one restrained late climax, and a long controlled decay across approximately four minutes. 3. REVISED SUNO STYLE PROMPT Approximately four-minute instrumental cinematic dark ambient score for a sci-fi short film. Cold, spacious, lonely, and subtly threatening. Open quietly with sparse atmospheric synths and deep sustained bass. Gradually introduce soft orchestral textures and build tension through slow harmonic shifts. Reach one brief, restrained emotional climax near 3:10, as the track enters its final 15–20%. Let the layers recede into a long, smooth decay to silence. 4. STRUCTURE GUIDE * 0:00–0:45 · Quiet opening. Start with sparse synth tones and low sustained bass. Leave space between changes. * 0:45–2:35 · Slow development. Introduce soft orchestral textures and gradual harmonic shifts. Keep the overall level low. * 2:35–around 3:10 · Approach. Let the existing layers slowly converge. Keep the rise gentle and aim for a single crest as the track enters its final fifth. * Around 3:10–4:00 · Climax and decay. Let the harmony crest briefly, then thin the layers. Allow the bass and synth tails to fade gradually to silence. 5. EXCLUDE STYLES vocals, wordless choir, heavy drums 6. RETRY STRATEGY 1. Attempt 1 — Use the revised Style of Music prompt and the exclusions exactly as written. 2. Attempt 2 — Replace only the climax sentence with “Hold the energy low through roughly the first four-fifths, then allow one brief, restrained emotional climax near 3:10, in the final 15–20%.” This makes the low-energy span explicit. 3. Attempt 3 — Use the simplified fallback prompt below with the same exclusions. Keep all other settings unchanged. Compare when the first clear peak occurs, whether voices or heavy drums appear, and how the track ends. 7. SIMPLIFIED FALLBACK PROMPT Approximately four-minute instrumental sci-fi dark ambient. Cold, spacious, lonely, quietly threatening. Sparse synths and deep sustained bass. Start quiet and build slowly to one restrained climax near 3:10, in the final 15–20%. Finish with a long, smooth decay to silence. 8. REALISTIC EXPECTATIONS Suno may vary the total duration, the placement and intensity of the climax, and the length of the fade. Listen for voices and heavy drums on each retry. If a take is short and already has the quiet build you want, use Extend if available. Start the extension from a suitable point before the climax and use it to develop the late crest and decay.