What's the name of the music in One Piece filler episode 406?


In One Piece's episode 406. Whats the name of the music that starts playing on
the 2:30 mark after the opening?




This song is called Master Usopp from Baron Omatsuri and The Secret Island
OST.

Episode link:[Episode 406](http://www.crunchyroll.com/one-
piece/episode-406-feudal-era-side-story-boss-luffy-appears-again-658643)

Music link:[Song](https://www.youtube.com/watch?v=j_tqDMPQY-o)

