What you can do with a nintendo DS, A Stylophone, and an Ipod Touch... http://www.youtube.com/watch?v=07vtwBMZf-w There are several other ds 10 / kraftwerk examples on YouTube if your search for them .. A particularly good one is at http://www.youtube.com/watch?v=i-TMRzAZf_c Keep Werking John www.keepwerking.co.uk