music, especially human music, is something i know essentially nothing about it beyond it being an arrangement of noises that some find pleasant. i think you're on the right path with things that are not grating, sound-wise.
any sort of interesting shape or texture should work. i doubt the infant cares if it's a marker or a work of art, as long as it's interesting.
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branchandroot
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Date: 2013-04-21 10:15 am (UTC)any sort of interesting shape or texture should work. i doubt the infant cares if it's a marker or a work of art, as long as it's interesting.