Here are three sonatas pieces. 1. Sonata for tuba and piano by Walter S. Hartley. 2. Sonata for tuba and piano by Robert Sibbing. 3. Sonata for tuba and piano by Igor Rekhin.

1.Personal information about the three composers about making music, and some information about each of them.
2.Give detailed information about the composer’s creation of each of the three music pieces.