Considered by many to be one of the world’s finest musicians, Daniel Johnston is a man whose life has been defined not only by his musical talent but by his struggle with mental illness.  Exploring the sometimes chaotic mix of genius and madness, this insightful and sensitive documentary looks at the music and the man behind it in an attempt to understand how mental illness has shaped Daniel's life and the lives of those around him. With appearances by cult bands such as Sonic Youth, Jad Fair and Half Japanese, this is a must-see documentary for anyone interested in extraordinary music and extraordinary people.