Catacoustic Consort guest musician Dr. Kim Pineda will give a talk on the early music group's upcoming program, "The Ursuline Manuscript, Changing Culture through Music." Dr. Pineda will discuss the Ursuline manuscript (the oldest-known musical document in Louisiana musical history) and how the Ursuline nuns used it to change the culture of 18th-century New Orleans. Concert date: May 20.