Categories SAY IT'S YOUR BIRTHDAY RCA Victor Released The First 45-RPM Singles 75 Years Ago Today Post author By MAGNET Staff Post date March 31, 2024 75 years ago today, RCA Victor released the first 45-rpm singles. Out of the seven, at least six involved Guided By Voices. ← Happy Birthday Bob Crawford (Avett Brothers) → Happy Birthday Angus Young (AC/DC)