Quote Originally Posted by The Dunster View Post
Wouldn't be the first band to lift something from Jethro Tull.
Anderson answered an interview question on that which is pretty much the concept for an Arjen Anthony Lucassen song.

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It's difficult to find a chord sequence that hasn't been used, and hasn't been the focus of lots of pieces of music. It's harmonic progression is almost a mathematical certainty you're gonna crop up with the same thing sooner or later if you sit strumming a few chords on a guitar.