Yes, you can put music on a jailbroken iPod Touch.
No, iPod software will not delete your music.
drag the music to the ipod icon
Yes, an iPod Nano can play music.
You must have iTunes to do so. Download iTunes, sync the iPod with the music on and plug in the other iPod. Drag and drop the music into the iPod section. If it won't let you, change the iPod settings to not sync automatically.
no, updating your ipod will update games and bugs on your ipod but leave music
The best music to put on an iPod Touch is the music you enjoy.
You sync your music to the iPod with the iTunes software (See links below). If you have an iPod Touch you can use the iTunes app on the iPod to purchase music directly onto the iPod.
If you lose your music after jailbreaking your iPod, first ensure that you have a backup of your music library on iTunes. Connect your iPod to your computer, open iTunes, and select your device. From there, you can choose to sync your music library back to your iPod. If the music is still missing, consider restoring your iPod from the backup you created prior to the jailbreak.
In order to put music on an iPod, first put the music into your computer's iTunes (download this if necessary). Once the music is in the iTunes, syncing the iPod should put the music in.
An iPod is a music Mp3 player
No.