Okay, it is only an online concert. But the first 200 TechCrunch readers to send an email to techcrunch at deeprockdrive dot com will get admission to one of two live concerts to be Webcast tomorrow night from Las Vegas. That is online admission, which normally costs $6.99. These concerts will be for the public launch of DeepRockDrive, a live music site which I wrote about earlier. The bands playing will be The Maine, which I understand will be the MySpace band of the week next week, and Big B, a self-described white-trash singer who could use the money raised by these sorts of concerts to buy a shirt (see pic at link).