Attention all fans of Mars Volta and/or Le Butcherettes and, in general, those about to rock: We have a pair of tix to see Bosnian Rainbows at Underground Arts this Saturday night to give away to some lucky Phawker reader. For those not keeping score at home, Bosnian Rainbows is an American alternative rock band from El Paso, Texas, formed in 2012. The band consists of former The Mars Volta members, Omar Rodríguez-López (guitar, backing vocals) and Deantoni Parks (drums, keyboards), alongside Le Butcherettes vocalist Teri Gender Bender and Nicci Kasper (keyboards). Check out this groovy video compiled from still photographs snapped during the band’s world tour. If this seems like your thing, pay attention. To qualify, all you have to do is sign up for our mailing list (see right, below the masthead). Trust us, this is something you want to do. In addition to breaking news alerts and Phawker updates, you also get advanced warning about groovy concert ticket giveaways like this one! After signing up, send us an email at FEED@PHAWKER.COM telling us a much, with the words OVER THE RAINBOW in the subject line. Please include your full name and a mobile number for confirmation. The 25th Phawker reader to sign up for the mailing list and send us an email wins! Good luck and godspeed!