Please choose the correct ending to complete the given sentence: Computers and Electronics: [header] How to add music to ipod without deleting old music [title] Open itunes before connecting your ipod. [step] When you connect your ipod to your computer with itunes open, it will try to sync automatically. You'll need to disable this in itunes before connecting so that your ipod's is not erased.

Ending1: [title] Turn on the ipod and open itunes. [step] Once the itunes sync is finished, it will automatically load a file in itunes. Ending2: [substeps] If you are unsure whether or not to disable itunes for music in the past, access this link later: https: // yourmusic/music/sync-] [title] Extract music from your ipod. [step] When you pull back your ipod's volume setting, the volume slider will turn blue. Ending3: [substeps] If you don't have itunes installed on your computer, you can download it from the apple website, or at https: // www.apple.com/apps/itunes/free-ipad/content/synchon. Html and run the command prompt at the prompt. Ending4: [substeps] Warning-this method will still delete the contents of your ipod, but only when it is initially enabled. After you enable manual management and perform the initial erase, you'll be able to connect your ipod to any itunes library and transfer music files.

Answer format: ending1/ending2/ending3/ending4