I discovered this song a little while ago, and I dig how fun (and funky, of course!) it is.
Apparently the studio musicians include bass guitarist Louis "Thunder-Thumbs" Johnson, who played on Michael Jackson's "Thriller" for one, and Al McKay, guitarist from Earth, Wind, And Fire. Nicknames don't really get any better than "Thunder-Thumbs"!
Here's some album info: https://www.discogs.com/Toshiki-Kadomatsu-Weekend-Fly-To-The-Sun/release/3768669