Finally got to listen to Copperline. Sorry guys, not my cup of tea but good luck.
They do claim a hell of a lot of influences...
Metallica, Neil Young, Coltrane, Helmet, Led Zeppelin, My Bloody Valentine, Tad, Candiria, Foo Fighters, Tool, Hoobastank, Coheed and Cambria, Dream Theater, Don McLean, Miles Davis, Nirvana, Linkin Park, Weather Report, Papa Roach, Curtis Mayfield, Bach, U2, Wayne Shorter, The Used, William Faulkner, Soundgarden, 311, R.E.M., Wayne Krantz, The Beatles, The Flaming Lips, Rage Against The Machine, Swervedriver, American Football, Braid, Steve Vai, Unsane, Smile Empty Soul, Drive Like Jehu, Bruce Cockburn, Woody Shaw, Lambchop, Sunny Day Real Estate, Bartok, Dave Holland, The Beach Boys, Crosby, Stills Nash & Young, Elvin Jones, Frank Rizzo, Bob Marley, Deftones, Kenny Wheeler, Joe Satriani, The Band, Keith Jarrett, Green Day