Choral Choir,Choral,TTBB Chorus - Level 3 - Digital Download SKU: A0.1472918 Composed by Adam Bock. 20th Century,A Cappella,Barbershop,Children,Contemporary. 3 pages. ADAM BOCK #1050551. Published by ADAM BOCK (A0.1472918). A barbershop/choral arrangement of Shel Silverstein's seminal work Where the Sidewalk Ends.