What a wonderful world

"What a Wonderful World" by Louis Armstrong is performed in the key of F major. Released in 1967, the song was composed by Bob Thiele and George David Weiss. It is famously interpreted by Louis Armstrong, whose gravelly yet soulful voice brings to life the song's poignant lyrics celebrating the beauty of the world amidst its challenges. The track became one of Armstrong's signature songs, despite initial commercial reception. Over time, it gained widespread recognition and has been featured in numerous films, TV shows, and commercials. The melody is characterized by its gentle, nostalgic feel, accompanied by Armstrong's expressive vocals and a simple arrangement of instruments, including trumpet and strings, creating a timeless classic.