People tend to check in during these times:
This is the original location for Chess Records studio(Muddy Waters, Howlin' Wolf, Chuck Berry, Etta James) when it was started by Leonard Chess in 1947.
Hey Chess Records, you should join Freebie! It’s pretty rad and the benefits are great for both you and me. Check it out!
Read this site. It might help to clear up the confusion.
Chess Records was known for its regular band of session musicians who played on most of the company's Chicago soul recordings.