The international Music Hack Day — an event dedicated to the technology of music — has announced its first ever Dever weekend as part of the Underground Music Showcase.

The list keeps getting bigger of national and local bands playing at UMS 2013 in July.

Members of the local rock community gathered in Denver to shoot a video that will announce more than 300 bands playing UMS 2013.

Win tickets to see Hoots & Hellmouth at the Hi-Dive on Tuesday night

Watch five live videos from UMS 2012 featuring Slim Cessna’s Auto Club, Nathaniel Rateliff, Paper Bird, the Epilogues and Ian Cooke

UMS 2012: 50 bonus photos from the Denver Post Underground Music Showcase in Denver, Colorado, just because

A Place To Bury Strangers stops by Uneven Studio to record five songs of experimental noise rock

UMS 2012: Photos and review of Saturday night featuring Shabazz Palaces, THEESatisfaction, A. Tom Collins, Total Ghost, Flobots, Gauntlet Hair and more at the Denver Post Underground Music Showcase

UMS 2012: Photos and review of Friday night featuring Big Freedia, Black Moth Super Rainbow, Ill Cattivo, ManCub and more

UMS 2012: A preview video of the 12th annual Underground Music Showcase featuring interviews and a performance by Mombi