Neil Sedaka is an American pop singer, pianist, and songwriter known for his polished, melody-driven music, which helped shape the sound of the Brill Building era of pop songwriting in the late 1950s and early 1960s. His daughter, Dara Sedaka, is also a singer who frequently performed duets with him, most notably on the 1980 hit "Should've Never Let You Go". Neil Sedaka's significant works include "Oh! Carol", "Calendar Girl", and "Breaking Up Is Hard to Do", which showcase his signature blend of catchy melodies and intricate harmonies. Their music, often characterized by upbeat tempos and sentimental lyrics, has significantly influenced pop music.