"What a Wonderful World" is a song written by Bob Thiele (as "George Douglas") and George David Weiss. It was first recorded by Louis Armstrong and released as a single in 1968. Thiele and Weiss were both prominent in the music world (Thiele as a producer and Weiss as a composer/performer). Armstrong's recording was inducted in the Grammy Hall of Fame in 1999 "
Louis Armstrong: Million selling original version
Source : http://goo.gl/x7i0B
Music by Louis Armstrong
Real-Time Video Abstraction by Baran Güleşen