The phrase "a videotape about" is correct and usable in written English.
It can be used when referring to a videotape that covers a specific topic or subject matter.
Example: "I found a fascinating videotape about the history of ancient civilizations at the library."
Alternatives: "a video regarding" or "a tape on".
At the open house, the writer found the post office decorated with balloons; a television played a videotape about the history of the American postal system.
The affable woman there spoke excellent English, seated me at a table with generous tastings of four wines and lined up a videotape about the winery.
She and five other women watched a videotape about a cancer survivor and then practiced hands-on techniques, like drawing in eyebrows with a pencil.
"The inside life -- that's why he asked me to do a videotape about myself at the first audition, so he could begin to see whether the character and I had a kinship in our souls".
In 2003, ≈700 children's camps received a videotape about keeping bats out of occupied dwellings and capturing bats for testing in exposure incidents.
In 1993 Mr. Engel made "A Little Bit Pregnant," a film on videotape about a 7-year-old boy whose half-sister is pregnant and refuses to marry or have an abortion.
Aaron, who had distanced himself from Bonds's pursuit, offered a congratulatory message in a videotape that he recorded about a month ago and that was played on the scoreboard.
Showalter had the players watch a videotape he had prepared about the history of the Rangers.
A former aide to John Edwards will not face perjury charges over his testimony about a videotape that allegedly shows the former presidential candidate having sex with his lover.
Lee got into this work in 2001, after seeing a Japanese horror film called "Ringu," about a videotape that kills everyone who watches it.
I was going to make a videotape of them talking about all the things they liked and send it to Lucky Bill".
