Old Genius (Song Page Switcher) от Matei Marica

Note: You have to be signed in to Genius for this extension to work.

Features:
- Switching between the old song page and the redesign will persist the state between pages.
- Removes the "go to the old/new song page" buttons.

This extension collects no data and is 100% open-source.
Privacy policy: https://github.com/mateimarica/old-genius/wiki/Privacy-Policy

This extension is unofficial and is not affiliated with Genius.