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Week of August 30, 2020

Spinning the Facts

Sunday

When an artist releases an “LP,” this is short for “Long Play,” which was a full-length album on a 12-inch vinyl record played at 33 RPM (rounds per minute).

Monday

The “single” was released on a 7-inch record that played at 45 RPM, also known as “a 45.”

Tuesday

Between the single and the LP in length is the “EP” for “Extended Play,” which typically has 3-6 songs on it.

Wednesday

The 45 RPM record could hold roughly 3 minutes of music per side, and having a 45 record was essential to get an artist’s songs played on the radio and build their fanbase. Accordingly, the 3-minute song became the standard. Despite the near-limitless song length now offered by digital media storage, the vast majority of songs released are still under 5 minutes long.

Thursday

The “B side” or “flip side” of a 45 RPM record often had a secondary or less radio-ready song on it, though many B-sides songs still became successful on their own right.

Friday

Some of the earliest sound recordings were made on wax cylinders (though calling them metal soaps is more chemically accurate), hence the reason records are occasionally called “wax.”

Saturday

Since about the 1940s, records have been made from the polymer polyvinyl chloride, hence the nickname “vinyl.”