"Joni Mitchell painted with words. Sitting at her piano or strumming the guitar, she turned the words into songs. The songs were like brushstrokes on a canvas, saying things that were not only happy or sad but true. But before composing more than two hundred songs, Joni was a young girl from a town on the Canadian prairie, where she learned to love dancing, painting, birdsong, and piano. As she grew up into an artist, Joni took her strong feelings--feelings...