His songs include "By The Time I Get to Phoenix," "Up Up and Away," "Wichita Lineman," "Macarthur Park," "Galveston," "Didn't We," "The Moon is a Harsh Mistress" and "All I Know." His songs have been recorded by Glenn Campbell, Johnny Cash, Joe Cocker, Linda Ronstadt, Art Garfunkle and the Fifth Dimension. At one point in the 1960s, he had five Top 10 hits within a 20-month period.