Arrangement and production style indicates it may be an indie recording, possibly of a self composed piece.
That would fit with what I understand about the station, as the dramas apparently were also indie productions.
I heard the announcer say "And that was the excellent, excellent Liquidrone, from New Orleans"
Checking Liquidrone on Google it looks like they could be the ones, instrumentations seems to fit, but playing a straight number instead of their regular stuff.
Reductionist and proud of it.
Being ignorant is not so much a shame, as being unwilling to learn. Benjamin Franklin
Chase after the truth like all hell and you'll free yourself, even though you never touch its coat tails. Clarence Darrow
A person who won't read has no advantage over one who can't read. Mark Twain