Baritone saxophonist and composer Cath Roberts is having a rather productive 2017. With three albums already released so far (Ripsaw Catfish’s “Namazu”, Sloth Racket’s “Shapeshifters”, and “Blurts/Growls” from a duo with Tullis Rennie) there’s already an ambitious fourth in the pipeline – see the answer to Question 7 for details of how you can get…