Listen to Danny Boy - 1 online. Danny Boy - 1 is an English language song and is sung by Slim Whitman. Danny Boy - 1, from the album The Ultimate Country Box - The 250 greatest Country Hits of all time! (10 hours playing time - Best of Country Classics!), was released in the year 2015. The duration of the song is 3:08. Download English songs online from JioSaavn.