premise: My memory is rickety , but I am sure my first recording was labeled MUSKRAT RAMBLE , and I think , though I am less sure , that it was played by the late Muggsy Spanier , who was , to my mind , one of the greatest of jazz trumpeters and true is true and true is true and true is true and true is true and true is true .
hypothesis: I remember clearly , my first recording was Muscrat Ramble .