The Legend of Zelda: A Link Between Worlds Sound Selection was released in November of 2014 as a Club Nintendo reward in Japan; it was also released in January of 2015 for Nintendo Club members of Europe with a slightly different title: The Legend of Zelda: A Link Between Worlds Original Soundtrack. The soundtrack was composed and arranged by Ryo Nagamatsu(along with a few tracks originally composed by Koji Kondo & Akito Nakatsuka), known for his fantastic work on games such as Super Mario Galaxy 2, Mario Kart Wii, Mario Kart 8 and Super Smash Bros. for Wii U/3DS.
The Soundtrack is no longer available as Club Nintendo is no more, but there are still a handful of physical copies for sale on ebay(some brand new, some used) going from $40-70, in case anybody is interested. The Legend of Zelda: A Link Between Worlds Sound Selection is uploaded to the archives. Enjoy!