Question: are harmonicas in different keys?
Answer: Stick with a basic 10 hole harmonica in the key of "C"- Diatonic harmonicas come in all twelve keys (G, Ab, A, Bb, B, C, Db, D, Eb, E, F, F#), but for beginners it's easier if you start with a basic 10 hole harmonica in the key of "C" (generally speaking, the "G" harmonicas are very low and the "F" and "F#" harmonicas ...