Ultimate Guitar found an impressive chart with payments for every act that played Woodstock "with the exception of Bert Sommer and the Paul Butterfield Blues Band" View the chart below along with Jimi Hendrix's performance.

Here’s the full chart, with 2015 equivalents listed in parenthses. For reference, $1 in 1969 is worth the same as $6.37 in 2015 dollars. The entire collection of talent cost $140,700 in 1969, which comes to $895,982.97 today. Whoever decided to fork over $1,375 to compensate Joe Cocker for his time made a very, very good decision.