Steve Layton mashes Norbert's 12 edo piano with my 13 edo french horns and 13 edo vocal pieces - I think it work out rather well despite the disparate tunings. Steve has a great ear for mash ups.
Verklemmte Nacht (feat. Norbert Oldani, Chris Vaisvil x 2)
download
http://dl.dropbox.com/u/4250358/layton_oldani_vaisvilx2_-_verklemmte_nacht.mp3
or online play
http://improvfriday.ning.com/xn/detail/4162021:Comment:40921