Hi, My apologies if I'm duplicating a topic. I'm a fairly new Wilco fan, and I'm struck by how Jeff Tweedy's vocal style has changed over the years. When Wilco was in its early stages, his voice had a swagger and twang to it, it sounded deeper, too. From 'Summerteeth' on, his voice seems a bit higher and more vulnerable sounding, more folky, maybe? I can't really describe it. I've searched this site and googled the rest of the internet but haven't been able to find anything, and I don't have the Greg Kot book. Has Jeff or anyone else explained the change in singing style? Did he just quit smo