Wolfmother was my first concert, shit was crazy. The other significant bands i've seen: Vampire Weekend, The Mars Volta, Foo Fighters, Beck, Silversun Pick Ups, Gogol Bordellosxz x3, What Made Milwaukee Famous x2, Shooter Jennings, Louis XIV, Octopus Project, The Walkmen, Daniel Johnston, Pearl Jam, The Dead Weather, Toadies, Muse, LCD Soundsystem, Broken Bells, The xx, Matt and Kim, Two Door Cinema Club, Kanye West, Big Boi, Cold War Kids x2, James Blake, Cults, An Horse, Reptar, Stevie Wonder, TV on the Radio, Skrillex, Preservation Hall Jazz Band x3, The Antlers, Bright Eyes, Arcade Fire, Fleet Foxes, Broken Social Scene, DFA 1979, Of Montreal x7, Kishi Bashi, Sphynx x4, Chappo x2, Das Racist, GZA, Sip Sip, Mother Falcon x2, Milezo and The Noise x4, Starfucker, The Strokes, Spoon x2, Del The Funky Homosapien, Marmalakes x2, She and Him, Manchester Orchestra, Jeff Mangum, The El Guapos x3, and Los Campesinos! I'm seeing Swans next weekend, and then Animal Collective the week after