Guess the 1970s song lyrics #235

1978. Written by Peter Allen and Carole Bayer Sager. The song refers to Allen's sister and the lesson he learned, to cover your feelings, when his father took his own life when Allen was 14.This artist's father played bassoon for the NY Met for three decades. She graduated from the Manhattan School of Music and studied song writing at NYU with Paul Simon. Her friend Barry Manilow introduced her to Bette Midler. She had several hits.