 Subsequent Chief releases were produced (and sometimes written) by London and featured Chicago blues artists, such as Elmore James, Junior Wells, Magic Sam, Earl Hooker, and A.C. Reed.London's "Little by Little" was a hit for Junior Wells in 1960, reaching number 23 in the Billboard R&B chart.London also wrote several R&B songs that were recorded by Chief artists, including "Cut You A-Loose" by Ricky Allen, which reached number 20 in 1963.