Nintendo has announced the release of a new set of Animal Crossing music CDs in Japan. As for now there are no plans to release it in the West (yet).
The Music of Animal Crossing: New Horizons
The first is the Animal Crossing: New Horizons Original Soundtrack 2, which is a sequel to last year’s original soundtrack CD. This second album comprises of 5 CDs with a total of 140 tracks, containing numerous songs from the previous album as well as some new additions up to the first big update. An extra DVD with 4 radio workouts and a K.K slider commercial movie, a radio exercises attendance card, and a pair of postcards are also included in the bundle.
This album will be released in Japan on June 22nd, 2022.
The second album is a limited vinyl reissue of last year’s K.K. Slider Music: Instrumental Collection. This vinyl edition will have all 18 songs from the album as well as one additional track. The vinyl will be released on November 23rd, 2022.
More info can be found here (Japanese); https://topics.nintendo.co.jp/article/94c45157-b8b9-4b3d-84b7-517b78e3c6f5