Question: Both the single "Stay" and the debut studio album "Cloud Nine" were developed by which Norwegian DJ and record producer?
Sentence (from "Cloud Nine (Kygo album)"): Cloud Nine (Cloud IX) is the debut studio album by Norwegian DJ and record producer Kygo and features the likes of Maty Noyes, Conrad, Parson James, Tom Odell, Foxes, Matt Corby, RHODES, Will Heard, Julia Michaels, James Vincent McMorrow, Kodaline, Labrinth, John Legend and Angus & Julia Stone.
Relevant evidence: Yes