Hi. If what you mean is that the band does not mind their lyrics being released in that way, then it would be sufficient for them to place a note saying so on their website (English would be helpful )). If they're willing to give permission there for Lyricwiki to host their lyrics, then Wikipedia has no issue with the link being included. In the absence of that, it's a problem, as lyricwiki is a known copyright infringer.  (talk)