Surprisingly, a vast majority of the songs posted by artists are available for free download. That's pretty hard to resist! Another great feature of thesixtyone is the ability to narrow your musical preferences to specific genres, such as indie or electronica.
This ingenious site has saved me so much time by literally throwing new and underground music right in front of me; I'm hooked! Take two minutes to set up your own account on thesixtyone, your headphones will thanks you later, I assure you.