The full album download also includes instrumental versions of the songs. (tes.com)
Also like many of the songs that have come before, an official instrumental version will be part of the game's soundtrack; in this case it's a piano version. (nintendowire.com)
And, with the internet at your disposal, you should have no trouble tracking down instrumental versions of songs you like for a reasonable cost or for free. (howtogeek.com)