Our friends at MP3.com recently relaunched their site, and to celebrate we’re helping them give away some fantastic new songs for free! Today, we’re featuring a version of “We Used To Wait,” recorded live in Chicago, from Arcade Fire.

After a few minutes of listening to Arcade Fire’s mix of orchestral angst with currents of classic-rock nostalgia, you can see why this GRAMMY award-winning group is one of America’s most adored rock bands.

Download a free MP3 of the live Arcade Fire song “We Used To Wait”!

Aside from being just plain awesome, the seven-piece band is also known for its captivating live performances, with bandmembers switching instrumental duties (from bass guitar to piano, violin, cello or glockenspiel) and scrambling over one another in a frenzy. The world witnessed the band in action earlier this year during Arcade Fire’s knockout 2011 GRAMMY performance, belting out the emotive lyrics of “Month of May” to millions of viewers.

And speaking of live Arcade Fire performances, today’s Free MP3 of the Day is a live version of “We Used To Wait,” from the band’s GRAMMY-winning album The Suburbs. This version was recorded during Arcade Fire’s recent Live From Chicago performance.

Download a free MP3 of the live Arcade Fire song “We Used To Wait”!

More on Arcade Fire:

Watch (or should we say, ‘interact with’) the band’s visually enticing Wilderness Downtown video

Interview with Will Butler of Arcade Fire