Here we have the top twenty hit single makers (solo artists and groups) for the first four decades of the rock era.* However--just as "SIP MANIC SOUP" is an anagram of "POP MUSICIANS"--each name has been scrambled. See how many of these folks you can straighten out.
For a hint, you can click on the button to the beside any item to display the number of letters in the individual words of the answer.
*As calculated by Joel Whitburn's formula using Billboard's data.