Wurster  (of  Superchunk ), singer-songwriter Franklin Bruno , bassist and vocalist Rachel Ware, singer-songwriter/producer  John Vanderslice , guitarist  Kaki King , and  Annie Clark  (of  St. Vincent ). [3] [4] Throughout the '90s, The Mountain Goats were known for producing "militantly lo-fi"  home recordings  (most famously, on a  boom box ) and