Circle of Fifths is a key tool for beginner to advanced musicians. Rotate the wheel to figure out the major or minor key of pieces you're working on. Use the chords to help you compose music and change keys. Tap on the scales and chords to play them out loud. This app is a great pocket reference for analyzing, transposing, and composing music.

— Features —
• Rotate the wheel to see the corresponding key signatures, scales, and chords.
• Tap on the scales to play them back.
• Play back chords and work on building your own chord progressions.
• Toggle between treble and bass clef for scales and chords.

Circle of Fifths was created by Lucius Kwok and Agnes Chan. Made in NYC.