P.S. Dylan, Mellencamp Crews Set Up

Local stagehand Shawn Reed holds on to tarps as winds start to gust while assembling the outdoor stage for the upcoming  Bob  Dylan  and John Mellencamp concert at Mike Lansing Field on Wednesday afternoon in Casper, Wyo. The stage takes roughly 8-hours to build by a mix of traveling and local crews.  Bob  Dylan and his band are performing at minor league ballparks during his most recent tour. The two singers will perform at the Greyhound Park in Post Falls Sept. 1. (AP Photo/Star-Tribune, Dan Cepeda)

Question: Who are the best singers today?