Only 7" in diameter, 45s are compact but powerful ... one of the most valuable 45 RPM records in all of music history is a Beatles' single. Most people remember one of the Beatles' first singles ...
An analog audio recording pressed in vinyl. The 45 RPM record holds one song per side, while 33 1/3 RPM "Long Play" records hold an entire album (see LP). With the sound literally "carved" in a ...