“What perhaps makes Walker’s story even more unusual is that while he is now arguably the eldest statesman among still-active composers, he began his career as a child prodigy. He started studying the piano at the age of five, composing as a teenager, and had become something of a cause célèbre by his early 20s. He made his New York piano recital debut at Town Hall at the age of 23 in a program of mostly standard repertoire, which also featured three of his own compositions.”