chord progression

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musical u is a website and community dedicated to helping you become more musical, providing everything you need to reach your full musical potential.

learn music theory with these free online courses - lessons for both beginners and advanced students covering a wide range of musical theory.

the leading music theory app for all musicians: ear training, sight-singing, rhythm training on windows, mac, ios and android. a complete method to become a better musician. namm tec awards nominee. used by music schools in most countries.