My Windows PC crashed. I have music downloaded from CD's on my iPod classic. How do I download the songs, which are not in the cloud, to my new Mac?

I have an IPod classic, which has only music downloaded from CD's. Recently my Windows PC crashed after 13 years of reliable service, so I have no way of moving those songs from my old computer to my new Mac. How can I transfer the music from my IPod classic to my Mac? I am told that Apple has no way of doing this, and I have to use third party software. Can anyone suggest any software that can accomplish this? My Mac has the new Yosemite OSX.