Alan O'Day (1940-2023) was an American singer-songwriter known for his contributions to the pop and soft rock genres. He gained prominence in the 1970s, particularly with his hit single "Undercover Angel," which reached No. 1 on the Billboard Hot 100 chart in 1977. The song showcased his knack for catchy melodies and relatable lyrics, making it a staple of the era's music. O'Day was also a prolific songwriter, penning hits for other artists, including "Angel Baby" for Rosie and "Wildflower" for Skylark, which further established his reputation in the industry. His songwriting ability earned him respect among his peers and a lasting legacy as a craftsman of popular music. In addition to his commercial success, O'Day's work embodied the transition of the 1970s music scene, blending elements of rock and pop with storytelling. Though he may not be as widely recognized today, his influence can be seen in the ongoing appreciation for well-crafted pop songs. O'Day's contributions to music, both as a performer and songwriter, have left an indelible mark on the landscape of American popular music.