Listen to A-E-I-O-U (The Caterpillar Song) / Who R U / How Doth The Little Crocodile / Keep Your Temper online. A-E-I-O-U (The Caterpillar Song) / Who R U / How Doth The Little Crocodile / Keep Your Temper is an English language song and is sung by Richard Haydn. A-E-I-O-U (The Caterpillar Song) / Who R U / How Doth The Little Crocodile / Keep Your Temper, from the album Alice In Wonderland Original Soundtrack (English Version), was released in the year 2014. The duration of the song is 4:34. Download English songs online from JioSaavn.