Marching Band - Level 4 - Digital Download SKU: A0.1359462 By AJR. By Adam Metzger, Jack Metzger, and Ryan Metzger. Arranged by Sheldon Stotts. 21st Century,Pop. 29 pages. Sheldon Stotts #943927. Published by Sheldon Stotts (A0.1359462). This is a marching/pep band arrangment of AJR's Yes I'm A Mess.