 The record, "Percolator (Twist)", was credited to Billy Joe & the Checkmates and rose to no.10 on the "Billboard" Hot 100 in early 1962.Freeman also performed with and arranged for the Routers and their parallel group the Marketts.He continued a successful session career in the 1960s, arranging and appearing on material by Frank Sinatra ("That's Life", "Strangers in the Night"), Connie Francis ("Jealous Heart", "Addio, mi' amore"), Dean Martin ("Everybody Loves Somebody", "Somewhere There's a Someone"), Johnny Mathis, and Petula Clark ("This Is My Song", "For Love"), and becoming musical director with Reprise Records.