British-American banjoist John A. Sloan (born 1923) was one of Palumbo's pupils as a youngster and has witnessed that Palumbo was an excellent but also very temperamental musician.
Den brittisk-amerikanske banjoisten John A. Sloan (född 1923), vilken som ung var elev till Palumbo, har vittnat om vilken utomordentlig men även temperamentsfull musiker denne var.