I use to stand playing sax in New Orleans and other cities until I retired from music in 1975.
When I started the OMB thingy in 2002 or so, I sit down because I have all the lyrics typed in a book. I can't sing 20 tunes without the lyrics written down. I started the OMB singing with the keyboard to late. I still stand when playing the sax.
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I'm not prejudiced, I hate everybody!! Ha ha! My Sister-In-Law had this tee shirt. She was a riot!!!