"The Flight of the Bumblebee" from Nikolai Rimsky-Korsakov's opera The Tale of the Tsar Saltan has a tempo so fast that it challenges all but the greatest musicians. We've previously featured accordion, banjo, and trumpet arrangements of this piece. Here's a vocal performance by Swedish opera singer Malena Ernman. It's as much a demonstration of physical comedy as it is an extraordinary musical act.
her facial expressions were impeccable though, i have to say.