Meet Hooktheory's Music Editor
Follow three simple steps to write Twinkle Twinkle Little Star
1.
Click in the melody area below and type: 1, 1, 5, 5, 6, 6, 5.

2.
Change the duration to two beats.

3.
Click in the chords area and type: 1, 1, 4, 1. Now click play!

Everthing you create with the Music Editor can be saved, exported to sheet music or MIDI, shared, or embedded on the web. You can also view your song with instruments next to it to learn how to play what you write (in any key)!
Hooktheory for iPad
Ever wonder how to write a song like the ones you listen to everyday? Our iPad smartbook Hooktheory interactively teaches the rules and structure behind chord progressions, melody, and their relationship to one another, to help musicians understand the how and why behind great music.
Hooktheory Song Analyses
Analyses of popular songs that anyone can create and edit. Learn and play all your favorites - or contribute!