Yoko Kanno arranged the song Joy!! for SMAP.
This song is the main theme of the drama「幽(かす)かな彼女」(Kasukana Kanojo [trans: My Secluded Girlfriend]).
Song information:
Title: Joy!!
Artist: SMAP
Music & lyrics: Tsuno Maisa
Arrangement: Yoko Kanno
Label: Victor Entertainment
The single was released on June 5, 2013.