Is Apple planning a multi-touch DJ application?
Read Apple’s patent application, and let me know what you think:
[0145]FIG. 23 illustrates another embodiment of the invention for manipulating the replay and recording of audio or musical files. As shown in FIG. 23, a music application 830 can display a pair of virtual turntables 842 and 843, on [...]

This video demonstrates making a cheap multitouch control surface, the MTmini:
For this to work, all you need is a room with (at least) some light. The results will be best when the room lighting is even (no bright lights shinning from one direction onto the multitouch pad).
When you place you fingers on the surface, shadows are [...]

Brick is a very cool multi-touch & tangible user interface table created by Jordan Hochenbaum and Owen Vallis, two undergraduate students at California Institute of the Arts. The idea for Brick came out of a conversation between Jordan and Owen, discussing how to sonify data in a way that was both musical and meaningful for [...]

A demo of Josh Boughey’s Stribe, a DIY 8-channel multi-touch controller for music or video software.
Description: The Stribe is designed to be used in conjunction with a monome 40h or as a stand-alone instrument. By combining these interfaces with suitable software I hope to add a continuous control element to the electronic musician’s software control [...]

via Axehole: Fans of the JazzMutant Lemur Touch-Screen Control Surface will want to take a look at this video of multi-touch interaction experiments on a large-screen monitor.
The video comes from Jeff Han, a consultant at the Courant Institute of Mathematical Sciences’ Department of Computer Science.
According to Han, ” My research interests have historically been real-time [...]