Music Theory Online
Music from the ground up
Interactive exercises, games and step-by-step guides, all on a real staff. Free, with no sign-up.
★ In progress
The English edition is being built
The site started in Spanish. Each section is being rewritten in English, not machine-translated, starting with the tools.
Free Tools
See all →Online Metronome
A free metronome with a drum machine, tap tempo, odd meters such as 7/8 and a speed trainer.
Online Tuner
A free chromatic tuner for guitar, violin, ukulele, winds and more. It uses your microphone.
The dictionary, the exercises and the games are in Spanish for now. Ver la web en español.