Bob Keane & Mark Guerrero (2003)

(Bob Keane of DelFi Records produced and managed Ritchie Valens)

Billy Cardenas & Mark Guerrero (2004)

(Billy was the manager of my first band, Mark & the Escorts, in 1964-65.
He also managed The Romancers, The Premiers, The Blendells,
Cannibal & the Headhunters, and many other Eastside bands in the 60s.)

Mark Guerrero & Art Brambila (2004)

(Art Brambila was my manager in 1971-72. 
He also managed Tierra and Yaqui at the time.)

Mark Guerrero, Martha & Joe Ortiz

(Joe Ortiz is a Chicano media pioneer.  Starting in 1970, he hosted radio and television shows in Los Angeles and later became a publicist.  Joe was the announcer on many of my "Chicano Music Chronicles" internet radio shows.