All departments

Make yourself at home

Five-minute focus

A little space for one idea. Optional, silent, and independent of your learning record.

05:00

Timer stays in this tab; it resets on reload.

Calm: still, with clear interaction feedback.

Music · Reading the page, naming the harmony, and capturing a first performance

Count note values and rests without losing the pulse

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Progress stays in this browser, on this device—not an account or cloud backup. Clearing browser data removes it. Visits never count as study. Previous untimed legacy completions are not invented as study days.