Google Play offers downloads of the Play: Jazz Pioneers MP3 Album for free. That's the best deal we could find for this 13-track album. (iTunes charges 99 cents or more for most of these individual tracks.)
Google Play offers downloads of its May Antenna 18-Track Sampler MP3 Album for free. (iTunes and Amazon charge 99 cents or more for most of these tracks.) It includes songs from such artists as Django Django (pictured), Meadowlark, The London Souls, and Oddisee.