Keeping this in consideration, what key harmonica is most?
C.
Beside above, what key harmonica does Mick Jagger use? MR is in the key of B isn't it? But Jagger would play cross harp meaning he would use an E harp.
Herein, what key should my harmonica be in?
The "C", "A", "D", "F", and "G" keys are a good place to start- in roughly that order. The key of harmonica you need is determined by the key the song is in and usually set by the singer. If you are not playing along with other people or with CDs, all you need is a key of "C" for now.
What is the lowest harmonica key?
So, in order of pitch, from highest to lowest, the keys look like this: Low F#, Low F, Low Eb, Low D, Low Db, Low C, Low B, Low Bb, Low A, Low Ab, Low G, Low Low F. It's worth noting that the lower the pitch of the harmonica, the harder it is to bend notes effectively.