NSM Circle of Fifths

NSM Circle of Fifths is an interactive music theory companion by Nathaniel School of Music for students, teachers, composers, and improvisers.

Explore keys, scales, modes, intervals, harmonic movement, cadences, modulation paths, and progressions around the circle of fifths. The app combines clear visual maps with playable examples so you can see, hear, and practice how music connects.

FEATURES

• Interactive circle of fifths visualization
• Major and minor key signatures with relative key relationships
• 13 learning modes covering scales, modes, cycles, harmony, and practice
• 24 guided lessons and hundreds of quiz questions
• Ear-training and interval practice
• Progression, cadence, and modulation tools
• Tone.js audio playback for scales, chords, and patterns
• Works without an account

BY NATHANIEL SCHOOL OF MUSIC Built for practical music learning, composition practice, and harmony fluency.