sigma+progressive+rock — similar artists: long earth, arlekin, dean watson, lyrian, phoenix again, ad maiora, deluge grander, armonite, fractal mirror, hypnos 69, mindspeak, la bocca della verità, laviàntica, l'albero del veleno, verbal delirium, cirrus bay, cell15, infringement, spleen arcana, the twenty committee, daymoon, sigma progressive rock, hoggwash, mike kershaw, materialeyes, soul enema, napier's bones, single celled organism, the psychedelic ensemble, semantic saturation, blue mammoth, a musical project by nikitas kissonas, patchwork cacophony, gourishankar, hangover paradise, octavarium, helmet of gnats, the section, section iv, mad fellaz, eden shadow, camelia's garden, not otherwise specified, thirteen of everything, thieves' kitchen, encircled, cromwell progressive rock, monarch trail, submarine silence, not a good sign, time horizon, on the raw, the far meadow, the adekaem, farmhouse odyssey, rick miller, caravela escarlate,