A Guitar Hero clone with Facebook integration.
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developer interview

Okay, most Facebook games are pretty lame, but this one actually seems interesting, especially since my PS2 Rock Band wireless guitar controller works very nicely with my PC. I can definitely see myself challenging some of my long distance old friends to a guitar duel with this.

Finally got to play this. It's actually quite good, but it is definitely an early beta. Importing your song library doesn't actually work and the only way to use it is to search through the available songs they have, then manually find your MP3 to link to it. Kind of annoying, but if they can get that bug fixed, this will be an awesome time waster.

Annoyingly most of my music is in WMA format and they hardly have anything I own on there yet. I tried three songs two of which only had 'expert' setting available which made it very very tough.
Oh and playing with the keyboard isn't great.

Instant jam? Well I prefer it jarred, but if the package is smaller, and all you have to do is add water than I guess it's a solid... wait... oh...