http://www.media.mit.edu/hyperins/projects.html

http://web.media.mit.edu/~gili/research/projects.html

http://web.media.mit.edu/~jpatten/audiopad/

the new final scratch??
http://www.csl.sony.co.jp/~poup/research/agroove/

http://www-ccrma.stanford.edu/~carrl...muthahome.html

http://silvertone.princeton.edu/~dan/BoSSA/