Suno
Suno V5 is the most musically sophisticated AI composition model available — it generates full songs with vocals, multi-instrument arrangements, and genre-specific production quality that rivals stock music libraries. For background music specifically, its strength is generating mood-accurate instrumental tracks up to 4 minutes long with complex structures (intro, build, chorus, outro) that feel professionally arranged rather than looped. At 12 credits per generation, it costs more than Minimax Music (3 credits) but produces significantly richer, more layered compositions.
Suno V5 responds best to prompts that read like a producer's brief, not a keyword list. Cover four elements: (1) Genre and subgenre: "lo-fi hip hop" or "cinematic orchestral." (2) Instrumentation: "soft piano chords, vinyl crackle, laid-back drum pattern." (3) Mood and energy: "calm, introspective, slightly melancholic." (4) Tempo as BPM: "80 BPM." A prompt that covers all four produces far more predictable results than one that only names a genre.
Suno V5's default behavior is to generate songs with vocals — it's one of the few AI music models that can produce realistic singing. For background music, you must explicitly add "instrumental only, no vocals" to your prompt, or it will generate vocals that compete with any narration or dialogue in your video. This is the single most important instruction for background music use cases.
Tempo is the most reliable control lever for matching music to video mood. 60-80 BPM for calm content (meditation, nature documentaries, product reveals). 90-110 BPM for moderate energy (corporate presentations, tutorials, explainers). 120-140 BPM for upbeat content (fitness, cooking, lifestyle vlogs). 140+ BPM for high energy (trailers, sports, gaming). Include the BPM in your prompt — Suno V5 follows tempo instructions accurately.
Connect the Audio node output to a Video node on the Martini canvas to hear how the music pairs with your visual content. Music-video pairing is subjective — a track that sounds perfect alone may feel wrong when layered over narration or fast-cut visuals. Generate 3-4 variants with slightly different moods and compare. At 12 credits per generation, 4 variants cost 48 credits — a fraction of a stock music license.
Corporate background — the "suitable for a product demo video" context helps Suno match the energy level. Corporate music needs to be present but not dominant. The 110 BPM keeps energy positive without feeling rushed.
Uplifting corporate background music, gentle acoustic guitar with light strings and soft percussion, positive and motivating mood, 110 BPM, instrumental only, no vocals, suitable for a product demo video
Cinematic tension — "building slowly" tells Suno to create a dynamic arc (quiet intro → gradual intensity increase) rather than a flat loop. This structural instruction is key for trailer music.
Dark ambient electronic soundtrack, deep pulsing bass, atmospheric synth pads, subtle glitch textures, cinematic tension building slowly, 90 BPM, instrumental, suitable for a sci-fi trailer or tech reveal
Lifestyle vlog — naming specific instruments (ukulele, whistling, handclaps) gives Suno precise targets rather than relying on genre conventions. The "cooking video" context biases toward warm, inviting tones.
Cheerful ukulele and whistling melody, light handclaps, sunny and playful vibe, 120 BPM, instrumental only, no vocals, perfect for a cooking video or lifestyle vlog
Suno V5 costs 12 credits per generation with no configurable parameters. The prompt is your only control surface — invest time in prompt quality rather than looking for settings to tweak.
BPM guide: 60-80 (calm), 90-110 (moderate), 120-140 (upbeat), 140+ (high energy). Always include BPM for predictable tempo control.
"Instrumental only, no vocals" must be explicitly stated — Suno defaults to adding vocals, which is its core strength but wrong for background music.
Describe the use case context ("for a cooking video," "for a tech product reveal") to help the model match the appropriate energy level and production style.
Suno V5 generates the most musically complex and well-produced tracks on Martini — full-length compositions (up to 4 minutes) with professional-quality arrangements that rival stock music libraries. The trade-off vs. Minimax Music: Suno costs 4x more (12 vs. 3 credits) but produces richer, more layered compositions with better structural progression (intro → build → chorus → outro). For simple, clean loops (30-60 second ambient backgrounds), Minimax Music is more cost-effective. For tracks that need to feel like real songs with dynamic structure, Suno V5 is the clear choice.
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