iRip, formerly  iPod Rip (before apple sued them for having iPod in the name) 
is the most well known programme to do this.
http://thelittleappfactory.com/irip/

I'm sure there are cheaper / free solutions but I know this works and it's only 
$20.

On 18/04/2010, at 11:43 AM, LLOYD Gerald [Safety Bay Senior High School] wrote:

> Hi
> 
> Anybody out there know how to transfer/back up music on one of the old 20g 
> ipods to itunes or a hard disk??
> 
> 
> Gerry Lloyd 
> Manager Student Services 
> Safety Bay SHS
> 
> 
> 
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