Mobile provider launches music recommendation feature.

In a move that signals increased experimentation with bundled sales offers and discounts, Sprint Music Store users who buy two songs can get a third song for free as part of a of a limited time offer running through Nov. 15.

Sprint has also launched a music recommendation feature that suggests songs to music store users based on previous purchases. Sprint's store is powered by Groove Mobile.

Sprint also says its Sprint Radio feature, offered in conjunction with mSpot, now includes more than 50 channels of streaming music, video, news and talk for $5.95 a month.