I'd disagree Yo, I'd go with the thread topic.

Any results for Dylan are likely to be missleading as LH has at times had his own "Dylan fan club" threads.

Another question, perhaps more so with Dylan (who people seem to love or hate) than most, and almost certainly much more affected by total occurnces in posts or subject headings (old adv search) is whether or not the coments they relate to indicate popularity.