Open Mic Night: 9 p.m. Nietzsche's, 248 Allen St. Come and perform and Buffalo's longest running open Mic Night. 886-8539. nietzsches.com. Free.
Guitar: The Instrument that Rocked the World: 10 a.m. to 4 p.m. in Buffalo Museum of Science. Explore the history of the guitar and browse some unusual versions. Sciencebuff.org. $11 for adults, $9 for seniors and students.