FFF Lab

Explore music with Trio Firšt

A collection of interactive didactic apps

Most popular

Practice makes progress

Intervals, chords and rhythm exercises.

Harmony

Cadences, polyphony and voice leading.

What Does Mathematics Sound Like?

Oscillation, resonance and harmonic ratios that you can see and hear.

The more you know, the richer the world

Broaden your musical world, discover new music and meet composers.