The very chill and jazzy Light Plane theme from a game called Pilotwings, which, thanks to Soyo Oka, has a pretty amazing soundtrack. It's honestly really surprisingly high-quality for a SNES launch title too, and it's definitely a much better example of a good SNES Nintendo soundtrack compared to most of their other works. Still, the samples could be better, which is why I gave this the resampled treatment, like I do with a lot of my other ports.
Alright, so, in this you will see two versions; one is a standard rearrangement with added flourishes of my own, and the second is a vocal version with samples I have recorded myself (I don't have any proper voice recording equipment tho, but they still get the job done :V), made specifically to mimick the vocal version in Smash 4's version.
Oh, and uh, if you need to use this, you could try using it in a sky, grassland, or early-game athletic stages, I suppose. Alright, hope y'all enjoy :D