Help! need to figure out how to get my music off my iBook

I have an iBook G4 that I purchased about 10 years ago and I want to get my iTunes and other important docs and such off before the thing dies on me. I've already replaced the hard drive once. I have 30+ gigs of music (including orignal stuff) that I would like to put into a cloud or somewhere I can still access it. Eventually, I will purchase a new laptop, just looking for a way to keep my data safe until I can afford something new. Any suggestions would be very much appreciated.

I have an equally old Lacie external hard drive and access to an hp desktop. Not sure that's helpful but clearly I'm a little out of my element.

Thanks!