I’m with you on In Through The Out Door. I think some of the LZ fans didn’t love it because it is the least Jimmy Page influenced album they did. He was in bad place with drugs in that period and John Paul Jones and Robert Plant took over more of the songwriting. Because of that it has more keyboards and less guitar then prior albums. Still an amazing record. I’m Gonna Crawl is one of my favourite Zep songs. Pages solo is pure emotion.