Microsoft Store offers downloads of 10 MP3 albums for free. They're price lows by at least $8 and the best deal we've seen on these albums. Discounted downloads include Alabama Shakes' "Sound & Color" (pictured), Tame Impala's "Currents", and Young Jeezy's "Church In These Streets".

https://www.microsoft.com/en-us/store/music/music-deals

Note: Be sure to purchase these albums using the box marked "Free" as opposed to "Get It Free+". (A Groove Music Pass trial is not required.)