Hi, I've been looking around the internet for a while, aswell as trying things like audacity to try and take the actual bass guitar out of songs. But I can't find anything that'll work, aswell as not being able the find the backing track that I need.

The song that I need a backing track to is She's only 18 by Red Hot Chilli Peppers. I've looked nearly everywhere for it, but I haven't been successful. Anyone know of where I could find it or where I could possibly find someone to make a backing track for me?
The best I can find is the Guitar and Bass tracks for that song. but they're together, and not really useful unless you're a drummer or wanted to hear the bass clearly.

I think your best bet would be to run the song from an ipod or computer into an amp, and turn the bass to 0 or close to 0. My old guitar and bass teacher would do the opposite when we'd learn a song and tried to figure out what the bass was doing.