Here we are for another round of free MP3 downloads, which from now on will be known as Sound Sunday.

Join us for some awesome indie rock tunes from We Are Scientists, Desert Radio, Bear in Heaven, The Cat Empire, and The Big Sleep.

Check out the MySpace and homepage links for tour dates and album release dates of the featured bands.

We Are Scientists - Rules Don't Stop

Genres: rock, indie

We Are Scientists, a.k.a. WAS, have been around for a decade. They are one of the better-known bands in the indie scene. WAS have had notable success with their previous album Brain Thrust Mastery, which reached #11 in the UK Album Charts. The track Rules Don't Stop is a preview of their upcoming fourth studio album Barbara, which is due to be released in mid June.

Download the song Rules Don't Stop from RCRD LBL.

We Are Scientists MySpace and Homepage.

Desert Radio - February Day

Genres: rock, americana

Desert Radio is a band from Vancouver, Canada. The song February Day from their 2006 debut album Asleep At The Wheel made history on the independent music website GarageBand. It has repeatedly been voted the number one Americana song and is now the all-time top-rated song in that category.

Get the song February Day and three more from their GarageBand page. You'll find the > Songs on the right-hand side. Click on > Play button to launch the MP3 Player. Within the player you'll find the > Download MP3 link in a list of links in the bottom left. Desert Radio MySpace.

Bear In Heaven - Lovesick Teenagers

Genres: rock, indie, experimental

Bear in Heaven were formed in Brooklyn, New York, USA in 2003. Their most recent album Beast Rest Forth Mouth was voted "Best New Music" by Pitchfork Media in 2009.

In June and July Bear in Heaven will be touring the US and Canada with the bands Zola Jesus, Twin Sister, and others. The tour will also take them to Europe in August. Preview and download the song from last.fm. At last.fm you can also download a free copy of Wholehearted Mess.

Bear in Heaven MySpace and Homepage.

The Cat Empire - Beyond All

Genres: rock, indie, ska

The Cat Empire is a fairly successful band from Australia. Beyond All is a teaser for their upcoming album Cinema, which will be released end of June this year. The track is provided by triple j, an Australian radio station.

Download the song Beyond All from triple j. On that same page you will find many more free MP3 downloads. Thanks for the tip, Brendon!

The Cat Empire MySpace and Homepage.

The Big Sleep - Ladders

Genres: rock, indie

Here is one more rock band from Brooklyn. The Big Sleep had briefly disappeared from the public radar for most of 2008 and 2009. Now they are back with new material, which was recently tested live during a free gig at the Mercury Lounge in New York. Watch out for an upcoming album release and in the meantime enjoy this free tune.

You can download the demo song Ladders from the band's homepage.

The Big Sleep MySpace and Homepage.

Did you discover a great free track? Or would you like to share your own music with the rest of us? Please email me (tina @ makeuseof dot com) or leave a comment with a link.