By the end of 1973, the Allman Brothers Band were the most popular touring band in America. They drew crowds like few others, on a par with those attracted by the Grateful Dead. So it goes without saying, that when the two groups were on the same bill, pandemonium often ensued. A legendary event at the Watkins Glen Grand Prix Racecourse on July 28, 1973, when the Allmans, the Dead and The Band drew an estimated 600,000 people – at the time the largest outdoor rock concert ever – illustrates this point to.