Mal Websites research part 3

I have come across some great Google Maps mash ups.
These are all music related.

http://gruvr.com/
Live music based on your location. Works pretty well.

http://www.mappamusica.com/
Navigate to ‘new’ music based on locations. Not as good as it first appears.
Visually though it looks great.

http://jukefly.com/
This streams music from your harddrive to your mobile.
I think it also uses LastFM to stream radio to your phone based on your musical taste.
Clear in that it does not need a server but uses each users PC as a server and relays on the users ISP to provide enough bandwidth.

http://www.koushikdutta.com/2008/10/adding-google-my-location-to-your.html
A clever workaround/hack that allows the currentLocation call in Google Gears to be used externally.