Armed with a violin and a master’s degree in poetry, Amanda Shires is just as profound with a pen as she is on stage. For her latest tour, dubbed “On with the $hit Show,” Lubbock/Mineral Wells native Shires amplifies her poetry with a sweet, lilting songbird voice and passionate strings — her fiddle and husband Jason Isbell’s guitar — as she spellbinds the audience with both her words and music.