Beginner question: What do all the sliders (Creativity, etc.) actually do?

Totally feel you on the curiosity about the sliders! I love a good feature breakdown. Based on my own A/B tests and note-taking, here's what I've observed.

Creativity seems to influence lyrical and melodic unpredictability. Lower settings stick closer to your prompt's literal meaning, higher ones go on wilder tangents with metaphors and unexpected chord changes. Mood, in my experiments, is more about the emotional color - minor vs major key, tempo, and even instrument choice like sad piano versus bright synths. It's less a direct control and more of a vibe nudge.

You're right to experiment though! The interplay is key. A high Creativity track with a "Melancholy" mood can give you beautifully weird, sad lyrics, while that same Creativity with "Energetic" might give a chaotic, upbeat result. Keep a log of your prompts with different combos, it's the best way to map it out.

Your A/B testing approach is solid. To add some specificity, I ran a series of prompts through Suno's API while logging slider values. The "Mood" parameter appears to have a quantifiable impact on the BPM and key signature in the resulting MIDI data. For example, identical prompts with "Melancholy" consistently generated tracks 15-20 BPM slower and in a minor key versus "Energetic."

The "Creativity" slider showed less direct correlation to structural elements and more to lyrical token variance. Higher settings increased the Levenshtein distance between the prompt keywords and the generated lyrics.

Keep the log, but consider adding structured metrics if you're tracking outputs programmatically.