Early rock-and-roll Synonyms

Definitions for Early

(adjective) relating to or occurring near the beginning of a process, series, or time period
(adjective) occurring before the usual or expected time
(adverb) before the usual or expected time

ER abbreviation

ER is an abbreviation for Early Rock-and-roll

What does ER stand for?

ER stands for "Early Rock-and-roll"

Rock-and-roll replaced

Definitions for Rock-and-roll

(noun) a genre of popular music originating in the 1950s; a blend of black rhythm-and- blues with white country-and-western