Listen to One Day at a Time Medley: One Day at a Time / Mockingbird Hill / Busted online. One Day at a Time Medley: One Day at a Time / Mockingbird Hill / Busted is an English language song and is sung by Foster & Allen. One Day at a Time Medley: One Day at a Time / Mockingbird Hill / Busted, from the album The Gold Collection, was released in the year 2017. The duration of the song is 3:39. Download English songs online from JioSaavn.