A collection of interactive didactic apps
A music lab that feels like an app.
Choose an exercise, test your knowledge, explore sound or follow your progress — without hunting through menus.
A collection of interactive didactic apps
Intervals, chords and rhythm exercises.
Cadences, polyphony and voice leading.
HarmonyExercises for recognizing chord progressions by ear.
ChallengeStay in compositional shape with one exercise a day
Ear trainingDidactic app for guided ear training in recognizing four-part music.
HarmonyExercises for writing four-part harmonic texture
Why do different instruments sound different, how does beating occur, and how do instruments work?
SoundExplore tone colors, sound phenomena and differences between instruments.
AcousticsDiscover how the sonority of several tones creates friction, beating and tension.
InstrumentsDiscover how air, tubes, holes and resonance create musical sound.
Broaden your musical world, discover new music and meet composers.
QuizTest your knowledge of music history!
ComposersMeet Slovenian composers, their works and their sound worlds.
ListeningSee how well you recognize famous pieces, motifs and musical excerpts.
StoriesShort, witty and instructive stories from the world of music and composers.
FFF Lab
FFF Lab is a collection of 16 interactive music apps, available free of charge in 10 languages — for students, teachers, and music enthusiasts around the world.
Every symbolic donation helps us cover the site's operating costs and lets us keep the apps updated and add new ones regularly.