What is the source of this music

I must find the source of the sampled melody present in these two songs:
https://www.youtube.com/watch?v=GNpH-AJkoMs#t=10s
https://www.youtube.com/watch?v=aNC7BvesP-8#t=4m12s

Does it ring any bells with you?

Marc Bianchi, From South Carolina

Problem:* Album The Young Machines, which contains From South Carolina, was released September of 2003.

  • Mod Sweet Half-Life, which includes the loop as the mod’s theme, was released in August of 2001.

Could it actually be OST?

I’ve yet to meet a mod with an orchestral OST, no matter how short of an excerpt… Plus, From South Carolina’s sample seems to have a substantially higher quality than the WAVs which were earlier included with Sweet Half-Life.

Sweet Half-Life was made by a Japanese modder, and Her Space Holiday made a song named Japanese Gum. It is possible that the source is from a Japanese composer.

Sounds familiar, but I can’t place it. My gut feeling says it’s from a movie, but I dunno.

Founded in 2004, Leakfree.org became one of the first online communities dedicated to Valve’s Source engine development. It is more famously known for the formation of Black Mesa: Source under the 'Leakfree Modification Team' handle in September 2004.