Name that song

Factual Questions
1

Heard this song somewhere and the name is bugging me. Its only bugging me because I know its fairly well known for its sampled speech from a Vietnam documentary, including the lyrics about the average age of a soldier in Vietnam being 19

2

“19” by Paul Hardcastle.

3

…also lampooned as “19 Not Out” by The Commentators.

4

Oh My Gosh…
19 by Paul Hardcastle…
My head is “happening”.
80’s are alive again in there.

Thanks a lot.