I played alto for 15 years before stopping about 6 years ago to focus on guitar and banjo. I had always wanted to play soprano, but the ensembles I had played with required alto and the occasional tenor. Anyway, as you may have seen in my other post, I am starting to play again and just acquired a beautiful Mark VI soprano. It came with a modified D9 Dukoff (changed to be more like a D8). The Dukoff tone isn't really my thing... I like the tone Lacey gets from his setup, but some of my favorite tone is the darker, warmer sound Coltrane got (for example, search for the Birdland clips on youtube). I'm also not currently able to play a hard enough reed to use the Dukoff since I haven't played in years and will have to strengthen my embouchure. I've been looking at getting an Otto Link or Selmer mouthpiece. Should I be looking at metal or rubber, and which model? I read somewhere the Coltrane used a metal Soloist E, but didn't he change mouthpieces frequently?