Press W key to listen to Watermelon Man by Herbie Hancock (1962). Press B key to listen to Big Chief by Professor Longhair (1964). Press S key to listen to Song For My Father by Horace Silver (1965). Press SPACE key to reset everything. Click the background to listen to the E blues scale. The microphone is used when Professor Longhair starts to whistle and sing in Big Chief.
Horace Silver, "Song For My Father"; https://www.youtube.com/watch?v=CWeXOm49kE0 Professor Longhair, "Big Chief"; https://www.youtube.com/watch?v=PbolafCdcqY Herbie Hancock, "Watermelon Man"; https://www.youtube.com/watch?v=ZbHJHPTikQAbb