Official storefront support for PSP DLC has long since ended, but enthusiasts maintain the game through homebrew methods. To get the DLC working on modern Custom Firmware (CFW) like ARK-4 or PRO-C, specific plugins are required. Wikipediahttps://en.wikipedia.org

(2009) stands as a unique chapter in the rhythm game genre, translating the full-band experience of its console counterparts into a solo, button-based format for the PlayStation Portable (PSP). While the base game launched with 41 master recordings, it was the that truly expanded the game’s longevity, eventually offering a library of approximately 100 tracks . The Role of DLC in the Unplugged Experience

The library grew to approximately 57-60 tracks .