Mars Volta released there new single, The Malkin Jewel, for their up-coming album Noctourniquet today (err, I guess that was yesterday, now). Also, you can pre-order the album from there website. For $29.99 (+shipping and tax) you can get the album (both physical and digital[mp3]) upon release, a T-shirt upon release, and the single as soon as you order it. Hear the single below or go to their website here.
Pre-order Noctourniquet ($29.99)
The Malkin Jewel by The Mars Volta from Noctourniquet