Choral Choir (SATB) - Level 4 - Digital Download SKU: A0.877365 By Electric Light Orchestra. By Jeff Lynne. Arranged by Geoff Castellucci. Pop. Octavo. 10 pages. Geoff Castellucci #5293001. Published by Geoff Castellucci (A0.877365). This is the sheet music for VoicePlay's version of Mr. Blue Sky by Electric Light Orchestra (ELO). Once you have downloaded the arrangement, you may print as many copies as you need. .