PUBLIC MARKS with tags ambient & "mp3 download stores"

Stream or download music in MP3 format (no DRM) without charge before choosing whether to buy or not. (The MP3s available for free download have a small spoken word tag that mentions Magnatune appended to them.) [Wikipedia]

"Shopsonic is the new dedicated e-commerce site for FARFIELD Records. We specialise in ambient, chillout, electronica and trance music. We pride ourselves on maintaining a perfect balance between old classic albums and cutting edge material from new artists. We spend hours every day looking for new music to bring you! We offer free shipping anywhere in the world, for most music CDs, if the order value is over 30 GBP."