Alan O'Day was an American singer-songwriter predominantly known for his work in the pop genre during the 1970s. He gained significant recognition for his number one hit single, "Undercover Angel," which showcased his distinctive soft rock style with a hint of disco influence. O'Day also penned hits for other artists, most notably "Angie Baby" for Helen Reddy and "Rock and Roll Heaven" for The Righteous Brothers, solidifying his significant contribution to the pop music landscape of the era. His work is characterized by catchy melodies, thoughtful lyrics, and a strong emphasis on storytelling.