Power ballad

[Rihanna]

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.

[Sarah]

[trademark] of heavy metal bands of [the 80s] that is making a comeback. an [acoustic] rock song with heavy guitar.

[PussyCat]

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.

[Jason Yan]

in pop music, a slow love song that is sung with a lot of emotion