For the length of one album. Check their website again, or better yet, knowing you won't because... I dunno... pride, I guess, view this image:
Like it or hate it, at a certain point, it ceased to be a tribute and became the main outlet for his music in the live market. It's too early to say whether or not he'll return with anything besides a possible EP or album, but at present, there really isn't wiggle room. It
is the NLE, it
is his music, it
does carry his endorsement. You can grow up or insist on holding your breath till your face turns blue, but it is what it is, at least until something changes.