NYC musician Andy Neesley has transcribed the iPhone ringtone and even created a MIDI file for it:

Now, if Apple would just let you use your own files as ringtones, this might be interesting.
via Gizmodo

Hπ (H-Pi) has introduced three new microtonal product lines:

Tuning Box, the world’s first General MIDI compatible microtonal MIDI keyboard converter featuring over 1500 tunings: scheduled for release March 2007
Tonal Plexus, the world’s first stand-alone microtonal MIDI keyboard synthesizer featuring over 200 keys per octave: scheduled for release June and August 2007
MegaScore, the world’s first microtonal [...]

Bob Somers has created a Wii drum machine.

You can control your own drum machine with the Wii Remote and a few software programs for your Windows PC.
Getting this working is still pretty complex. You need the latest version of .Net and you need to get your remote working with GlovePIE. Details are available at [...]

DarwiinRemote, a tiny software app which reads data from and sends data to Nintendo Wii Remote, has been released. DarwiinRemote allows you to control other applications using Wii Remote, but currently only supports “AppleRemote” mode.

Inputs

3-axis acceleration sensors
all buttons except power button on/off

Output

4 LEDs
Force Feedback

DSMIDIWiFi has introduced wireless MIDI for the Nintendo DS. The MIDI signals are sent to the computer via Wifi, and a server program forwards them to MIDI applications.
Here’s a video of DSMIDIWiFi in action:

DSMIDIWifi consists of:

libmidiwifi - An open source library for DS homebrew development that makes it easy to write DS software that [...]