Cartoonist Ben Katchor and musician Mark Mulcahy’s present a pop musical that chronicles the life and times of Abe and Phillip Rosenbach, the world’s preeminent rare-book dealers in the first half of the 20th century. Using projected animated images enhanced by live actors, singers and musicians; the show explores the obsessive nature of collecting, the relationship between cultural and commercial pursuits and the complexity of the brother’s relationship.