Listen to I Can't Tell a Waltz from a Tango online. I Can't Tell a Waltz from a Tango is an English language song and is sung by Alma Cogan. I Can't Tell a Waltz from a Tango, from the album Never Do a Tango With an Eskimo - Alma Cogan's Fab Fifties!, was released in the year 2016. The duration of the song is 2:20. Download English songs online from JioSaavn.