White's Pawn on e5 Never Sleeps
Classical Mainline 7.f4 a6 · sung from White's side
No. 10 in the Radio ChessBase charts
Chorus
Pawn to e4, then pawn to d4 1.e4 e6 2.d4 d5
Knight to c3, my bishop to g5 3.Nc3 Nf6 4.Bg5 Be7
Pawn to e5, I take on e7 5.e5 Nfd7 6.Bxe7 Qxe7
Pawn to f4, knight to f3 7.f4 a6 8.Nf3
My pawn on e5 never sleeps
Verse
I take on c5, bishop to d3 8...c5 9.dxc5 Nc6 10.Bd3
Queen to d2, my pawn to h4 10...Qxc5 11.Qd2 b5 12.h4
Knight to e2, pawn to h5 12...b4 13.Ne2 a5 14.h5
Keep the queens on, keep the storm alive
Chorus
Pawn to e4, then pawn to d4 1.e4 e6 2.d4 d5
Knight to c3, my bishop to g5 3.Nc3 Nf6 4.Bg5 Be7
Pawn to e5, I take on e7 5.e5 Nfd7 6.Bxe7 Qxe7
Pawn to f4, knight to f3 7.f4 a6 8.Nf3
My pawn on e5 never sleeps
End
The hook is the e5 pawn chain the opening is built on, and the verse is the modern main line's h-pawn march that only works while the queens stay on the board.