"Mr. Blue Sky" is a song by the #ElectricLightOrchestra (ELO), featured on the band's seventh studio album #OutOfTheBlue (1977). Written and produced by frontman #JeffLynne, the song forms the fourth and final track of the "Concerto for a Rainy Day" suite on side three of the original double album. "Mr. Blue Sky" was the second single to be taken from Out of the Blue, peaking at number 6 in the #UKSinglesChart and number 35 in the US #BillboardCharts.
https://www.youtube.com/watch?v=G8dsvclf3Tk
