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Sousa toured with it?
The 1976 McWhirter claim that Sousa had and toured with a contrabass tuba is said to be mistaken. The current "Book of World Records" does not make the claim. Can anyone produce anything to substantiate the story besides re-quoting the out-of-date Guinness book? — Preceding unsigned comment added by 18.104.22.168 (talk) 13:49, 4 January 2014 (UTC)