Daftar Lirik Lagu Berjudul How Long Has This Been Going On? How Long Has This Been Going On? - Andy Williams How Long Has This Been Going On - Judy Garland How Long Has This Been Going On - Carly Simon How Long Has This Been Going On - Kristin Chenoweth How Long Has This Been Going On? - Ray Charles How Long Has This Been Going On - Gloria Estefan How Long Has This Been Going On? - Ella Fitzgerald How Long Has This Been Going On - Chet Baker How Long Has This Been Going On? - George Gershwin