Well I was in Switzerland last year,and I did hear a Sousaphone playing with a Contra Bassoon. Does that count?
(
Redsushi! Whoop! Whoop! Yes, that one!,
Sun 3 May 2009, 1:20,
archived)
oh, yeah...that's close enough. a big woodwind versus brass face-off - BATTLE!!
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enceladus,
Sun 3 May 2009, 1:21,
archived)