SANDWICHED IN: Ira, the “Other” Gershwin. Charlotte Sanders Davidson and Herb Davidson present a multi-media lecture/performance on the consummate lyricist of the Great American Song Book. The program will look at Ira ’s relationship with his brother George, as they worked together to create the “Gershwin Style,” as well as the work Ira did with Jerome Kern, Harold Arlen and Vernon Duke. 12:10 p.m.