The best way to transfer music from iPod to computer is using a third-party tool like iAny Manager.
Here are what iAny Manager can do
1. Importing Music,videos to iOS devices from PC
2. Transfer files to PC from iphone/ipad/ipod
3. Getting music,playlist, apps of your iOS device back into iTunes
4. Direct Apple to Apple transfer
5. Good transfer speed without slowing down your PC
Step by step guide:
iAny Manager Transfer iOS Devices Data Backup Sync Restore Manage Data...