Listen to (You'll Have To Swing It) Mr. PaganiniSam Coslow online. (You'll Have To Swing It) Mr. PaganiniSam Coslow is an English language song and is sung by Ella Fitzgerald. (You'll Have To Swing It) Mr. PaganiniSam Coslow, from the album Rainbow Girl, was released in the year 2017. The duration of the song is 3:43. Download English songs online from JioSaavn.