How can I put music on the Samsung Instinct?

I want to know how can I put music on my Samsung Instinct for free. Do I have to use Sprint Music Store or can I use Limewire or Napster or something else. Need Help!|||you can download it from limewire then insert your memory card into the computer. after this you simply find the file that the song you downloaded went to and drag it over to the memory card's file.|||hi, if you contact me via email with your phones serial code s/n, which is the 11 digits starting with R under the imei. i can send you the software you need to install unlimited music on your phone, from any source. please contact me at unlockcodes4you@yahoo.co.uk