As a stunned populace watched in disbelief, the pair warbled the children's song "Two Tigers" on national television.

CNN: The Police Get Their Man

As I was heading down Route 30 a couple of weeks earlier, returning from the hardware store in town, my cell phone warbled.

NPR: Excerpt: 'Dog Days'

" Collier's magazine put it this way: "Perhaps the native and adopted sons of California pitched their voices a note or two too high when they warbled praises of the Golden State.

NPR: 'Grapes Of Wrath' And The Politics of Book Burning