As for Spain, the only case I've heard of is a rapper that glorified terrorism and rapped that he wanted to hang the king in the village square. Is it okay to rap that you want to murder specific individuals, or does that cross the limit of freedom of speech? Is it criticism of the monarchy when you rap that you want to put a noose around the king's neck? To me it sounds like incitement of violence and nothing more, nothing less.

In some other countries it is forbidden to make music that glorifies crime, while at the same time those countries have excellent liberty of speech as well as musical lyrics that are extremely offensive by other standards.