Possible Clues:

• Oilers, on NHL scoreboards
• Teacher's deg.
• Rave genre, for short
• Genre played at raves
• Gretzky's original NHL team
• Club music genre
• Genre that includes techno
• 43-Across at a rave, probably
• Genre for much Top 40 radio, for short
• Techno is a subgenre of it, for short