: They rotate at 78 revolutions per minute, which is significantly faster than the 33 1/3 RPM for LPs or 45 RPM for singles. Where to Buy 78 Records
Is there a market for Prime Records 78's bootlegs? - Facebook buy 78 records
: Approximately 80% of original master recordings for 78s no longer exist, making surviving clean copies the only remaining source of that specific audio history. : They rotate at 78 revolutions per minute,