you could save the library folder/my music/wherever it is onto a cd and move it onto another computer, and save copied folder into the source for itunes on the new computer.
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ExiledSoul, you have just won the Best UG Liar award. Thanks for participating with your incredible dumbassery and lies.

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Add all the songs you want to share into a playlist then burn that playlist to a CD. Then copy songs onto hard drive of other computer and then add them all.

if you search for 'Backup' in the help screen that will tell you how to do it in more detial.
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Santiago S3 Spanish Classical
PRS CE22 Mahogany
Mesa/Boogie F-50 combo w/ G12K-100
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Rothwell Switchblade
Ibanez FL-9
Visual Sound Liquid Chorus V2