Hi, i've just changed from a Conn 8H to a Bach 42B, and was wondering if anyone had any advice for how to implement the extra plumbing I have on my shoulder now? I've worked out that I can play stuff from 6th position in 1st, but that's about it! Also, does anyone know if it should make such a clunking noise when the plug closes? Sorry if that sounds a silly question, but I've never had one of these before. Quite excited really!