Some people say there is no truth in advertising. They’re wrong. The truth is Truth in Advertising has been hanging around the Pittsburgh area since 1999. What started out as a group of friends hanging out and making each other laugh has evolved into a beloved acoustic act with two full-length albums, years of performing experience and a love song written for a cat. T ‘n A (as fans affectionately call the band) currently comprises Billy (Seán O’Donnell) and Fred (Fred Betzner). Billy plays guitar; Fred plays harmonica and accordion; both sing; and neither really dances well. T ‘n A songs have infectious melodies and smart, off-beat lyrics.