Free AI Music Prompt Builder

An AI music prompt is a text description you give to an AI music generator like Suno, Udio, or Studio AI to guide the kind of track it creates. A good prompt includes the genre, mood, tempo (BPM), key instruments, vocal style, and intended use. The more specific your prompt, the closer the output will match your vision. This tool builds that prompt for you automatically from your selections, optimized for whichever platform you choose.

Suno metatags are special tags like [Verse], [Chorus], [Bridge], [Drop], and [Outro] that you place in Suno's lyrics field to control the structure of your generated song. They tell Suno when to transition between sections, add instrumental breaks, or build to a drop. Without metatags, Suno decides the structure on its own — which often leads to repetitive or poorly paced tracks. This tool lets you build a complete metatag structure using presets or custom sections, so you get professional song arrangements without memorizing the tags.

In Suno, paste your style description into the "Style of Music" field and your metatag structure (like [Intro], [Verse], [Chorus]) into the "Lyrics" field. In Udio, paste your prompt into the main prompt field and your structure into the lyrics/custom lyrics area. This tool generates both parts separately so you can copy each one directly. Use the preset structures (Pop, EDM, Hip-Hop, etc.) as a starting point, then add or remove sections to customize.

Suno uses two separate fields: a "Style of Music" field (short, comma-separated tags like "lo-fi, chill, piano, male vocals") and a "Lyrics" field (where metatags go). Udio uses a single main prompt field that's more descriptive, plus an optional lyrics/structure area. Studio AI takes a natural language description. This tool automatically formats your selections for whichever platform you pick — no need to learn each platform's quirks.

Yes. This tool supports all three platforms plus a "Universal" mode. Select your platform at the top and the output will be formatted specifically for that platform — Suno gets comma-separated style tags plus metatag structure, Udio gets a descriptive prompt plus structure, and Studio AI gets a natural language prompt optimized for its music generator (powered by Google's Lyria 3). The Universal mode generates a prompt that works with any AI music tool.

The biggest improvement comes from being specific. Instead of saying "make a happy song," describe the genre (e.g., indie pop), mood (uplifting), tempo (120 BPM), and instruments (acoustic guitar, piano, light percussion). Adding song structure metatags like [Verse], [Chorus], [Bridge] gives the AI a roadmap to follow, resulting in much more professional-sounding tracks. Use the Shuffle button to discover unexpected combinations.

BPM directly controls the energy and pace of a track. Slow tempos (60–80 BPM) create relaxed, ambient, or ballad-like music. Medium tempos (80–120 BPM) suit most pop, hip-hop, and R&B. Fast tempos (120–150 BPM) work well for dance and electronic music. Very fast tempos (150+ BPM) are ideal for drum and bass or high-energy tracks. Matching BPM to your use case — like "study music" at 70 BPM or "workout playlist" at 140 BPM — makes a noticeable difference.