Why F#? When I play blues on the piano I tend to play in C (first one I learnt) or Eb. I've noticed Stevie Wonder plays in Eb a lot presumably because he can mo

Why F#? When I play blues on the piano I tend to play in C (first one I learnt) or Eb. I've noticed Stevie Wonder plays in Eb a lot presumably because he can more easily identify the black notes by feel and Eb blues is mainly black keys.