"iDOuDO" is the application to practice "Movable Do" in music.
It show a musical note on the score by random, answer the correct note by syllable name with a button.
If you selected the correct answer, Otama-Jackson will gives a smile to you.

You can select G-clef and F-clef.
And you can select all key that C, C♯, D♭, D, E♭, E, F, F♯, G♭, G, A♭, A, B♭, B, and C♭.

Use for music plactice that movable do, solfege (solfège or solfeggio), transposing instrument(saxophone, clarinet, flute, trombone, tuba, trumpet,euphonium, guitar, bass, etc.) and more!