Cello Map App

Cello MApp is the partner app to the internationally popular Cello Map webpage. Are you a cellist or composer who is asking: WHERE do I put my finger, and on which string, to produce ‘C-sharp two octaves above middle C’ as a natural harmonic? WHAT is the pitch of the 11th harmonic on the A string? Are there some multiphonics that include the 7th and 11th harmonics on the G string, WHERE do I play them? Is there a multiphonic that includes the notes A-sharp, D, and F, WHAT does it sound like an