How do you copy songs from an IPod to your IPhone?

I have songs that were on my old laptop that I gotten rid of which had the songs that I took from my CD. I would just use my CD but, I have missed placed it. I am having trouble moving any songs that I had copied from my CD to my IPod, from my IPod to my other devices. Does anyone have a solution for this?

Laptop: old Dell computer

IPod nano: Model # MC072LL with software vers.1.0.2