Las Ardillitas con Mark & the Escorts "El Rock De Las Ardillitas" The song had fragments of "Twist and Shout" and "Roll Over Beethoven" Colonial Records (493) 45 rpm 7" single Recorded at Jimmy Jones Studio, Pasadena, California Released 1964 Lalo Guerrero: vocals as Ardillitas & spoken word parts Mark Guerrero: lead guitar Robert Warren: rhythm guitar Richard Rosas: bass Ernie Hernandez: drums Produced by Manuel Acuña Engineer: Jimmy Jones Songwriter: Lalo Guerrero