Listen to I Wonder Why online. I Wonder Why is an English language song and is sung by Dion and The Belmonts. I Wonder Why, from the album The Rebellious Juke Box Plays Doo-Wop Daddies (Volume 1 - The Uptempo Sounds), was released in the year 2014. The duration of the song is 2:21. Download English songs online from JioSaavn.