For about a week I've been working on a neoclassical riff/melody line I was really happy with. However, I had the nagging suspicion that it sounded familiar. Turns out it's the intro/main lick to "Heaven" by Swedish prog/neoclassical band Treasure Land:
The joke's on them though; I added way more notes to the turnaround of the lick, and I turned the main rhytm into a Dragonforce-like thing.
No; joke's still on me.