I’d Love to Change the World” is a song by the British blues rock band Ten Years After. Written by Alvin Lee, it is the lead single from the band’s 1971 album A Space in Time. It is the band’s only Top 40 hit, peaking at number 40 on the Billboard Hot 100 and their most popular single.
The song was written and sung by Alvin Lee.
It discusses the confused state of the world, covering a wide variety of societal complaints, until it finally addresses the Vietnam War.
The song features a folk-inspired chord pattern to support the melody. Source