How do you download songs from another persons I pod?

Apple Inc.-
They don't allow that.... sadly.... :(
They think its "copyriqht" and that you should pay for they sonqs your self.. You can look up ways in qooqle... but those proqrams either destou the iPod or crashes the computer... which sucks...
The only way you can do that is that if you erase your WHOLE iPod memory... then itll transfer...