These following artists r the most easy on the ear, and in no order: TOOL, red hot chili peppers, primus- or anything involving the man known as les claypool, led zeppelin, alice in chains, audioslave/soundgarden/rage against the machine, pink floyd, avenged sevenfold, stone sour, 311, u2, metallica, jimi hendrix,atreyu, the doors, white zombie, the greatful dead, lamb of god, shadows fall, megadeth, offspring, black sabbath, collective soul, jewel, black label society, live, meat puppets, michelle branch, weather report, radiohead, g'n'r, rush, nine inch nails, pearl jam, no doubt, sublime, buckethead, dinosaur jr., mudvayne, stone temple pilots, green jelly, del tha funky homosapien, 2 skinnee j's, gorillaz, otep, sugar ray, beastie boys, blind melon, aerosmith, dave matthews, tori amos, smashing pumpkins, rob zombie, sepultura, marilyn manson, cream, black crowes, king crimson, incubus, dream theater, bjork, foo fighters, weezer, velvet revolver, kottonmouth kings, green jello, i.c.p., letters 2 cleo, luscious jackson, ugly kid joe, nelly furtado, helmet, korn, jane's addiction, garbage, pantera, porno 4 pyros, veruca salt, damageplan, supergrass, digable planets, biohazard, soulfly, jimmies chicken shack, prong, beck, silverchair, cardigans, santana, nirvana, phish, a perfect circle, peach, ozzy, green day, powerman 5000, peter gabriel,system of a down, mad season, faith no more, butthole surfers, temple of the dog, ashlee simpson, method man, redman, depeche mode, the cure, odb, slipknot, bush, beatles, methods of mayhem, gza/genius, ice cube, the cranberries, bass mechanix, anthrax, jerry cantrell, candlebox, bela fleck, victor wooten, jaco, bb king, mother love bone, flyleaf, deftones,downset, queens of the stone age, staind.. will keep adding i'm sure- i could go on 4ever!