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 spiral ...
And now a page from our "Sunday Morning" Almanac: January 10th, 1949, 67 years ago today ... the day RCA Victor unveiled a new breed of phonograph record -- the 45. Just seven inches across, with a ...
Minnesota news you can count on. From local stories to explanations on the state or federal government, MinnPost’s independent news is available for free with no paywall. Help us keep it this way with ...
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