Websites to download free music on ipod nano?

where are websites to download free music on my ipod without having any viruses on the sites. i dont use limewire or itunes. i need 2 download music on my ipod for free. do u know any websites that would have free music to dowload that would have all music available!? plzzz help me
Update: i also dont buy music off of itunes is wat i meant. nd dont use limewire cuz it slows my computer down.
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