https://wccftech.com/how-to-enable-custom-songs-in-beat-saber-oculus-quest-2/

With the Oculus Quest 2 finally appearing at retail stores nationwide, eager VR adopters have been picking up the standalone hardware hoping to get some fitness in thanks to Beat Saber. In less than a week after the Oculus Quest 2 was released, some hard working unicorns have already gotten the popular Beat Saber modding tools working on the platform. Here's how to enabled BMBF on the Oculus Quest 2 and start grooving to the sound of your own custom tracks in Beat Saber.

Beat Saber just received a major update across all versions that enabled multiplayer and the Oculus Quest 2 version is no exception. However, with the addition of gameplay mods and custom songs, players should anticipate not being able to access the online multiplayer and instead be limited to solo and campaign play in Beat Saber.