https://itunes.apple.com/album/happy-day-single/id1119451479

https://www.beatport.com/release/happy-day/1782428

https://play.google.com/store/music/album/Syntheticsax_Happy_Day?id=Bp6tkhzhcujgg4hvawzfk4gzkdu

http://www.junodownload.com/products/syntheticsax-happy-day/3121539-02/