Mario Kart 8 Original Soundtrack

The Mario Kart 8 Original Soundtrack is an official compilation of music tracks from Mario Kart 8, which is exclusive to members of Club Nintendo of Japan, Europe, and Oceania. In Japan, it can be pre-ordered for 180 points after April 21, 2015, and it was released in June 2015. The soundtrack was later released for Club Nintendo in Europe on July 20, 2015 for 3000 stars, and in Oceania on July 21, 2015 for 2000 stars. It features 68 music tracks from the game across two discs, the first disc containing the themes for the original 32 tracks while the the second disc includes the 16 tracks from the two DLC packs and the rest of the music not played during races, such as in the game's menus and staff credits. It has a combined playing time of two and a half hours.

Liner Notes
The soundtrack features a liner note for every single track in it, which usually contains details about their respective music tracks.