Answer
"Blue Sky" is a song most notably performed by Dickey Betts, a guitarist and vocalist in the Allman Brothers Band. Betts wrote the song and sang lead vocals on the band's 1973 album, "Brothers and Sisters." The song is known for its soaring melody, optimistic lyrics, and Betts' distinctive slide guitar playing. "Blue Sky" has become a classic rock anthem and is considered one of Betts' signature songs.