tracks 1 alto saxophone, clarinet Alfredo Espinoza
tracks 1-10 banjo Alfredo Scarozzi
banjo Raúl Grano Cortínez
tracks 1 banjo Ricardo Scarremberg
tracks 1, 11-22 clarinet Martin Muller
tracks 1-10 clarinet Nelson Gonzalez
tracks 4 clarinet Norberto Gandini
clarinet Ubaldo González Lanuza
clarinet, alto saxophone José Ignacio Mazzanti
tracks 11-22 clarinet, tenor saxophone Ricardo Martin
cover Earl Linderman
tracks 1, 11-22 drums Norberto Mendez
liner notes Bert Thompson
tracks 1 piano Ignacio Romero
trombone Sergio Tamburri
tracks 11-22 trumpet Fernando Grano Cortínez
tracks 1, 11-22 tuba Saul Lotemberg
Tracks 1-10 recorded on January 10 and 16, 1968, originally released as [m1178971]
Tracks 11-23 recorded September through December, 1969, originally released as [m3233845]
Barcode: 046951323423