| Heartbreak Warfare | |
| |
| By: | John Mayer |
|---|---|
| Sung by: | Gunner White |
| Place: | McKinley High Outside |
| Episode: | The Big Bang |
Heartbreak Warfare is a song originally performed by John Mayer, it was performed by Gunner White and was featured in the second season finale of Glee: The New Years, The Big Bang.