If you purchased the music from itunes you can click on "file" and then go to "transfer purchases"A magic Mac iPod to iTunes, iPod Rip for Mac, which makes it easy to backup iPod and iPod touch, copy music, videos, movies and photos from iPod to Mac and Mac to iPod. This iPod to iTunes Mac can also be used to manage iPhone, and all formats compatible with iPod/iPhone are supported.
There is a useful ipod transfer tool for you to use, iPod to Mac Transfer is specially designed for Mac user to transfer iPod files, It can fast transfer, rip, copy and manage your music, video, photo, podcast and TV program from iPod to Mac, iPod to iTunes, iPod to iPod and Mac to iPod transfer is also available.
Connect it to a PC or mac and sync it with iTunes
iPods can only play music, except for the iPod touch. The iPod touch does not run mac OS X, it runs on its own mobile version for everything. iPods are not computers, they are music players.
When you restore an iPod it will wipe all data saved on it. Yeah
If not an iOS device, you must sync with computer, then sync with other iPod.
I'm afraid that once the song is on the iPod, it stays on the ipod. This was made this way so that if one friend buys a song, he cannot download it to his ipod and bring it to his friend to upload it to his itunes so his friend can get a free song. You cannot upload ipod music to a mac.
I got all music out of iPod after crashing Mac using ImToo (http://www.imtoo.com/ipod-computer-transfer.html). I got all music out of iPod with metadata and correct song/album/whatever -names.
As long as your iTunes account is the same on your Mac and your iPod Touch you'll be able to buy on your Mac. However if you have different accounts then just sign out of the one on your computer and log into the account you used for your iPod.
Problems will be solved if you have iPod Transfer to Mac software. It is a great program which helps iPod users to move songs from iPod to iTunes on Mac. It works perfectly with iPhone, and no matter they are music, video files, photos or ringtones, the tool can manage them all.
If you have a PC or Mac that is using the same account, then your music and video will be shared wirelessly with your iPod as long as you enter your account info on both your iPod and PC or Mac
You have to move all your music from your windows computer to your mac. When you plug in your iPod (with iTunes open) it should ask if you want to sync to this library instead of the other one. This will wipe everything on your iPod and replace it with whatever is in your iTunes library.