Say It Ain't So, Joe is a chamber opera in two acts by inspired by text drawn from the public record of the 2008 United States vice-presidential debate where vice presidential candidate Joe Biden is addressed by Sarah Palin in a similar manner as the famous quote referring to Shoeless Joe Jackson. Commissioned and produced by Guerilla Opera, Say It Ain't So, Joe premiered in Boston on September 19, 2009 at the Boston Conservatory Zack Box Theater.