An emotional hard rock/heavy metal song, often with a slow tempo, dramatic sung vocals, and many instruments, including acoustic ones and synthesizers. Power ballads usually start soft, then heaviness builds up with drums and heavy electric guitars.
In the eighties, almost every metal band had its power ballad.
The musical equivalent of an orgasm. Originated/popularized in the 70s by bands such as Led Zeppelin, Aerosmith, and Lynyrd Skynyrd. Generally longer than average rock songs and often consist of a variety of instruments, not just guitars and drums.
Stairway to Heaven, Free Bird, Dream on, and November Rain are all great power ballads
A form of heavy metal music in which the listener is tempted to pump their fist into the air repeatedly synchronized with the emotional impact said song inflicts upon the listener.
"Mandy, do you know what a power ballad is?"
"No, I could try to explain it but really I have no idea what I'm talking about Stephen."