In “Nina Katchadourian: Nursery” through September 25, Pace Gallery exhibits sculptures and photographs by the 2015 Venice Biennial participant. South Etna’s show of nonagenarian Richard Mayhew’s landscape paintings in saturated colors closes October 15. SNL’s legendary guitarist loans personal instruments for the Church’s “Hand Made: Guitars According to G.E. Smith & The American Artists’ Hand Archive” from October 7-December 22. 68 Park Place, East Hampton, N.Y. 11937. 6 South Etna Avenue, Montauk, N.Y., 11954. 48 Madison Street, Sag Harbor, N.Y., 11963.
