Theorie:
Study specific musical terms. Part 1

Acoustics – Akustik
Alternation – Wechsel
Audio frequencies – Tonfrequenzen
Baton – Taktstock
Concert hall – Konzerthalle
Flat – um einen Halbton tiefer
Harmony – Harmonie
Interval – Intervall
Key – Tonart
Quellen:
http://akyla.net/
https://www.theodysseyonline.com