From Citizendium, the Citizens' Compendium
- Rock music : A form of popular music with a prominent vocal melody, accompanied by guitar, drums, and bass, usually with a strong back beat, which evolved from earlier rock and roll and rockabilly music styles.
- Ireland (state) : Republic (population c. 4.2 million; capital Dublin) comprising about 85% of the Atlantic island of Ireland, west of Great Britain.
- Dublin : "The capital city of Ireland, which has had several other cities and towns named after it."
- R.E.M. : A rock and roll band, a mainstay on college radio throughout the 1980s, and in virtue of its increasing popularity into the 90s, became credited as one of the major forces in bringing alternative rock into some mainstream acceptance.