9. The Signature Of Every Performer at Radi City Music Hall is Kept in a Series of Autograph Books

Radio City Music Hall has collected the signature of every performer who has graced its stage since 1932 when the theater first opened. Though one of these autograph books is on display for visitors, most of the other books filled with thousands of performers’ signatures are kept out of harm’s way.

In the books, you would find the famous. names of celebrities who lived throughout the 20th century. The performers who entertain at Radio City cover a wide range of genres and types, from musical performances by legends like blues singer B.B. King and groups like The Grateful Dead to the comedic stylings of modern-day comics like John Mulaney and Dave Chapelle.