Solo Builder
Pick an instrument, key, and scale. The fretboard highlights every note in the scale — click any fret to add it to your phrase. The generator can fill in a melodic line from a starting note, weighted toward scale tones and stepwise motion.
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Illustrated reference
Solo builder quick start
Choose a musical frame: Conceptual guide; musical choices remain yours. Key / scale: Set the pitch collection. Notes: Click frets to assemble a phrase. Generate: Try a melodic line from a starting note.
Give the phrase a purpose: Open: stringwarrior.com/tools/solo-builder
Solo workflow
