DR P3 is a part of the "Denmarks Radio" and is some sort of substation which plays different kinds of modern music, they also have a P1 (classic) P2 (classic?), P3 (modern) & P4 regional radio.
P3Klub is a show where they go live to the clubs and hear out the DJs with new promos and "floorfillers", so its not particular a club but rather a show about the musical culture where they focus on the music.
"Why don't you zip it, Zipfero?" - fraich3
