Hear, hear, Les; it runs deep into the tribal roots and the construction of identity. It is language, sound, harmony, mathematics and emotion sweetly bound up in the psyche in one stream. I am frequently amazed at the accuracy of childhood memories of songs that people have not heard in decades, and whose workiung memory is not that good in general. Of course, there's something very safe about being in a place where songs are sung, and where one can absorb all the cultural nuances of the song without any stress. I wish we could sing math lessons! :D "Gimme pi, lots of pi, valued at 3.145, it helps me get a round!"

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