"This town isn't big enough for both of us -- and I ain't gonna leave!"
The brotherly love of Russell and Ron Mael a.k.a. Sparks.
Sparks: 'This Town Ain't Big Enough For Both Of Us' (Top Of The Pops, December 1974) (+ @ Musikladen)
Sparks: '#1 Song In Heaven' (Top Of The Pops, May 1979) (Produced by Giorgio Moroder!)
Sparks: 'When Do I Get To Sing My Way' (1994)