ρ=(R·q)/l; l=(R·q)/ρ; q=(ρ·l)/R; BZZT!

On these albums

5F_55 Is Reflected to 5F-X5F-X · 2005

Source: MusicBrainz recording 3732a565-5555-45b0-a14b-02959a6c42b8 (CC0).