He was the engineer for the first sessions the Rolling Stones did in the US, in Chicago in June 1964, recording songs ("It's All Over Now", "I Can't Be Satisfied", "Look What You've Done", "Around and Around", "Down the Road a Piece" etc.)
He went on to work with Muddy Waters, Howlin' Wolf, Buddy Guy, and John Lee Hooker.
"[5] The Daughters of Eve, the all-female band from Chicago managed by Carl Bonafede got to record at Chess and Malo was the engineer for those sessions.
[6][7][8] In the 1970s, he worked with Billy Joel, and engineered the lost tapes of "The Brothres" in 1973 at Bolic Sound Studio in Los Angeles (featuring the Kirk brothers from Missouri).
He was also the recording engineer on the Bobby Goldsboro album A Butterfly For Bucky released in 1976 on the United Artists label.