This bossy r song show vowels that have an r after them change their sound. The r bosses them around and they become r controlled vowels. Sing along with Jack Hartmann and listen to how bossy r can change vowel sounds. Bossy r song for kindergarten. Lyrics Look out for bossy r Bossy r When you read you'll be a star Look out for bossy r Bossy r When you read you'll be a star Look out for when bossy r comes after a vowel It changes the sound of the vowel somehow Look and listen to what happens When bossy r comes after a vowel Take the word cat A says/a/ Add bossy r after the vowel Now you have cart Ar says /ar/ Bossy R Take the word bun U says/u/ Add bossy r after the vowel Now you have burn Ur says /ur/ Bossy R Take the word bid I says /i/ Add bossy r after the vowel Now you have bird Ir says /ir/ Bossy R Take the word hut U says /u/ Add bossy r after the vowel Now you have hurt Ur says /ur/ Bossy R Take the word chip I says /i/ Add bossy r after the vowel Now you have ch