I'm a proghead: Genesis, Marillion, Yes, Tull, King Crimson, Pallas, IQ, Guru Guru, Pink Floyd, Pendragon, Hawkwind, Magma, Galahad, Nektar, Tangerine Dream, Caravan, Soft Machine, Anima Mundi, Clowns, Novalis and Ayreon to name a few.
Oh, and George Jones.