You never though to ask them why...
Muzik! Here is a massive list of some of my old favourites and new loves. I strongly suggest that if you like more than 40% of the bands listed, you should go and download (via Napster or something) everything you haven' heard yet! GO! =)
belle and sebastian, ben folds five, sleater kinney, radiohead, elliott smith, pedro the lion, modest mouse, the sea and cake,  aden, the unbelievable truth, cake, pavement, the smiths, blur, salako, ladybug transistor, magnetic fields, badly drawn boy, built to spill, the cardigans, excuse 17, the gentle waves, salako, dealership, stargazer lily, elf power, bis, the mondoza line, arrogant worms, tullycraft, cadallaca, smashing pumpkins, weezer, neutral milk hotel, the cranberries, the ramones, dandy warhols, rufus wainwright, nada surf, olivia tremor control, silver jews, juliana theory, saves the day, bikini kill (sometimes), nerf herder, beulah, the lucksmiths, momus, phantom planet, the doves, james, the moves,the clash, fiona apple (sometimes), atom and his package, the apples in  stereo, the third sex, flashing lights, the butchies, the dead kennedys, brittle stars, the rentals, bangs, björk, the need, wolfie, the mr T experience, lou reed, bright eyes, the ataris, blood hound gang, the promise ring, the beta band, dear nora, international noise conspiracy, donovan, the get up kids, death cab for cutie, dance hall crashers, the murmurs, the spells, the dismemberment plan, halo benders, nick drake, jimmy eat world, placebo, american football, talulah gosh, kind of like spitting, liz phair, jets to brazil, looper, jj72, adickdid, temporary thing, the delgados, pulp, heavenly, quasi, rainer maria, the pixies, the vandals, fretblanket, heavens to betsy, sonic youth, sloan, the eels, the lilys, travis, gomez, cat power, sunny day real estate, kent, air, ultimate fakebook, reflector, ho-hum, hum, international airport, frank black and the catholics, they might be giants....and many many more.... :)
holy crap i am forgetting so much.