The Rock has a lot cooking. The numerous Dwayne Johnson movies heading to theaters or on streaming in the near future sound like they will be keeping the multi-hyphenate busy for a while.

For nearly a decade — since comedy legend Lily Tomlin played a salty septuagenarian in Paul Weitz’s “Grandma” — I’ve been trying to track down a copy of her one-woman show, “The Search for Signs of ...