i want to paste my now playing song in any chat app i want. so the easiest way is to make a copy now playing option and put it on a (global) hotkey.
(copy now playing to clipboard)
theres already some skript which can paste it in x-chat but i want it to paste it in nicotine.
it also should be editable what this command will copy
like filename and location or anything else...

I am not sure what you want to do.
But you can use dcop calls to copy information from amaroK to Klipper and bind this to a global hotkey (see the Wiki for the interface and kdcop).
Or use dcop to get the needed information and find a way to insert it directly into your app.