The German Style Guide mentions the alte and neue Rechtschreibung (old and new orthography), but doesn’t explicitly say whether titles that were correct when they were printed should be corrected according to the spelling reform (e.g. muß -> muss).
I’m guessing we wouldn’t correct titles in Old High German, to New High German, but that’s arguably different as it’s almost a different language. Also if e.g. a recent album title was written with the old orthography and in an old-timely font then I’d also leave it and assume artist intent.