it is in your itunes music library
You can download it on iTunes.
sync you Iphone with your Itunes library.
because your music is saved on the old computer. You are logging in to your iTunes store account so you can continue to purchase music. This is separate from the music you already have in your iTunes library. you will need to copy your existing music library from the old computer to the new computer to access it with the new iTunes software.
An iTunes library is all the music an your computer, and on you iPod is stored. Just like a library of books, a library of songs, movies, and pictures.
Answer I feel your painCheck this site out.http://hifiblog.com/past/2006/05/11/howto-move-your-itunes-music-while-preserving-library-data-when-you-dont-let-itunes-manage-your-music-library/#comment-14123Good luck.
Why does iTunes lose your music library?If you have put any new music on your iPod lately, your computer could have synced your iPod and deleted all of the music.
Clicking on the music's icon and dragging it into the iTunes window will add it to the iTunes library or select Add To Library... from the iTunes File menu.
The iTunes library is where iTunes stores your music. You can put music in the library from music on your computer or from your CDs. You only need to set up an iTunes account if you wish to purchase items from the iTunes store.
enter adapter in to computer
Updating the iTunes software will not affect your existing iTunes account or music library.
enter adapter in to computer