i synced my iphone 4 to a friends itunes library but now i want to get new music

[YanniJohnson]

from my itunes on to it? i synced my iphone 4 to a friends itunes library but now i want to get new music from my itunes on to my iphone w/o losing the music that is already on it?

 

[Spencer]

Can't do it... You would have to either get all the same music, or take the music you want from your computer, put it on a flash drive and add it to your friend's iTunes... Toucan only be synced with one iTunes... It's stupid but that's how iPods are made...