Oricon has revealed the number of Splatoon 2 Octotune Soundtrack copies sold at retail in Japan.
At launch, the Octotune sold no less than 19,210 units, making it the 7th best selling album in Japan between July 16 and July 22, 2018. Interestingly, Octotune, which features music from the Octo Expansion DLC, managed to outsell the original Splatoon 2 soundtrack. The original soundtrack sold 18,007 copies at launch.
In case you missed it, Splatoon 2 Octotune is still up for grabs at Amazon Japan.