# Learn an orchestral instrument or music theory

[Learn violin online, a complete, structured curriculum](https://arcosounds.com/learn/violin)

A full violin curriculum online: open strings to vibrato, first position through shifting, with recorded violin playback, theory on the fingerboard, and a free tuner and metronome.

[Learn viola online, alto clef, technique, and repertoire](https://arcosounds.com/learn/viola)

A complete viola curriculum online: alto clef reading from scratch, first position to shifting, recorded viola playback, and theory shown directly on the fingerboard.

[Learn cello online, from open strings to thumb position](https://arcosounds.com/learn/cello)

A complete cello curriculum online: bass clef reading, first position through thumb position, bow technique, recorded cello playback, and theory on the fingerboard.

[Learn double bass online, Simandl fingerings and orchestral technique](https://arcosounds.com/learn/bass)

A complete double bass curriculum online: half position through thumb position, Simandl fingerings, bass clef and tenor clef, recorded bass playback, and orchestral excerpts.

[Music theory for string players, see it on the fingerboard](https://arcosounds.com/learn/theory)

Music theory built for string players: notes, rhythm, key signatures, intervals, chords, and form, shown at once on the staff, the keyboard, and your fingerboard.

Canonical source: https://arcosounds.com/learn