https://www.songtive.com/
Songtive - Composing tool, band, social network.
Songtive is a composing tool, band and social network. Songtive allows you to experiment with arrangements and chord progressions. This songwriting software...
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https://www.songtive.com/products/piano-companion/
Piano Companion — Chords, Scales & Progressions | Songtive
Piano Companion is a music theory app with 1,500+ chords, 10,000+ scales, a chord progression builder, reverse chord lookup, and circle of fifths. Used by 10M+...
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