I've heard the mnemonic "I have a little white crown" for the WC Sparrow's song.
In the local dialect here in Anchorage, the "crown" would equate to the
raspberry Dennis described. Or, as a novice birder once said, "... the one with
the pretty song, except he sort of loses it on the last note."

Chris Maack
Anchorage, AK
73201.3124 at compuserve.com