The Grindchor, a.k.a. Nose Flute Orchestra of Kreuzberg Heights (Berlin) is a band of insane punk-rock nosefluters who perform in such occasions as popular fests as well as fashion shows, burial ceremonies, vernissages...
They play Arnold Stölzel (swan logo) nose flutes and wear great "noseflute'n'bones" black t-shirts.
Their official site is www.nasenfloeten.de/
Here is an excellent short TV presentation documentary :
Lots of other videos can be found with that search on YouTube.