The essence of playing mallets: special exercises for the drummer & percussionist - Richards, Emily (Interworld Music, 1991)
Documental--Presentador: Emil Richards--Participantes: Joe Porcaro, drums ; David McKay, piano ; Joel DiBartolo, bass--Créditos: executive producer Gerry James--Based in part on his book, "Mallet Exercises for the Drummer and Percussionist"--Distributed by Warner Bros. Publications--Requerimientos especiales para la proyección. Reproductor de VHS