CDs and digital albums are historically more expensive in Japan than imported versions.

Released in August 2017, Rainbow marked a massive turning point in Kesha's career. It was her third studio album and her first release after a prolonged, public legal battle with her former producer.

It signifies songs encoded using 256 kbps AAC (Advanced Audio Coding).

In the music industry, record labels frequently add exclusive bonus tracks to physical and digital albums released in Japan.

To incentivize local fans to buy the domestic release rather than cheaper imports, labels include exclusive songs.

The "iTunes Plus" tag attached to this file name refers to Apple’s specific digital audio standard introduced in the late 2000s.