David Foster, Katharine McPhee, and 1,000 hits By Ross Boissoneau | July 4, 2026 The concept of life having three acts is a popular philosophical and psychological framework. The three acts are often linked to youth, middle age, and retirement. David Foster doesn’t disagree with the premise—just that third part. He worked in bands as a studio musician and recording artist as his first phase. Phase two was becoming a prolific and hugely successful producer and songwriter. But retirement? No way.