“Somebody Come and Play” takes a look at the legacy, artistry, and beloved characters of “Sesame Street” as the show kicks off its 45th season. The exhibit is on display in The Library for the Performing Arts’ Donald and Mary Oenslager Gallery (40 Lincoln Center Plaza) from September 18, 2014 through January 31, 2015. Check out nypl.org/sesamestreet for more info.