VH1 (Video Hits One)
(launched in 1985)
IMDb; official website; TV Tropes; Wikipedia

I used to watch random videos at random times, on this channel. And probably occasionally some actual programs, like maybe a little bit of stuff like "I Love the '80s," and "Pop-Up Video." But there was never much that I specifically made a point of watching....

The Wizard of Oz in Concert (1995; TV movie)
Rotten TV (2000)
Strange Frequency (2001)