Richie Havens (1941-2013) was the opening performer at the Woodstock Festival, 1969.
This drawing is made from a still photo from that concert.
* Original drawing by Drumstick
About Richie Havens (from Wikipedia) :
"Richard Pierce Havens, known professionally as Richie Havens, (January 21, 1941 – April 22, 2013) was an American singer-songwriter and guitarist.
His music encompassed elements of folk, soul, and rhythm and blues. He is best known for his intense and rhythmic guitar style (often in open tunings), soulful covers of pop and folk songs, and his opening performance at the 1969 Woodstock Festival."