Rather than "point it out", I have two alternatives that I use.

The first is having someone operate the puppet and "sing" an old country song,(such as She'll be coming round the mountain) while I play the "jews harp".(while also providing the voice for the puppet)

The second is my shark puppet sings while I have a mask over my face and and snorkle in my mouth. (developed for the summer of 2010 Splish Splash at your library shows)

Anyone have any other "alternatives" that are a bit more "subtle" than TOM..which is as many have said, "a great bit".

Harris
laughologist and nearly normal ventriloquist