Isle Delfino (theme)

"Isle Delfino" (referred to as "Delfino Plaza" in the Super Smash Bros. series) is a recurring musical theme written by Koji Kondo that first appears in Super Mario Sunshine, where it serves as the background music for Delfino Plaza. The original song and arrangements of it have also appeared in later games.

Composition
"Isle Delfino" is in the key of A-major, and its arrangement invokes Italian folk music. The melody alternates between guitar and accordion, while another guitar provides rhythm and an upright bass adds the bassline.

Super Mario Sunshine
In Super Mario Sunshine, the themes from Ricco Harbor, Gelato Beach, Bianco Hills, the episode select screen, and the staff credits are all arrangements of Delfino Plaza's melody. "Ricco Harbor" is in the key of C-major and is arranged in a ska style, with prominent saxophone and electric guitar instrumentation. "Bianco Hills" is also in the key of C major and is arranged in the style of European folk music, with prominent use of clarinet, flute, and oboe, accompanied by tambourine, castanets, and harp. "Gelato Beach" is once again in the key of C-major and is arranged in the style of Trinidadian calypso, with prominent saxophone and steel drum instrumentation. The theme heard on the episode select screen only consists of a few music box-like notes from "Delfino Plaza".

"Ricco Harbor" returns as a playable track in Super Smash Bros. Brawl and Super Smash Bros. for Wii U in the Delfino Plaza stage and in Super Smash Bros. Ultimate on any Super Smash Bros.- and Super Mario-series stage.

Super Mario 64 DS
In Super Mario 64 DS, an arrangement of "Isle Delfino" serves as the background music for Sunshine Isles.

Mario Kart: Double Dash!!
In Mario Kart: Double Dash!!, an arrangement of "Isle Delfino" plays as a part of the award ceremony's theme, which takes place on Peach Beach, a race course whose design is heavily inspired by locations from Super Mario Sunshine.

Mario Power Tennis
In Mario Power Tennis and its port on the Wii, ''New Play Control! Mario Power Tennis'', Delfino Plaza Court and Gooper Blooper Court each feature two new arrangements of "Isle Delfino", one for each of the two courts' Intro and Exhibition themes for a total of four new arrangements. Delfino Plaza Court uses new arrangements of the original "Isle Delfino", while Gooper Blooper Court uses new arrangements of "Ricco Harbor", itself an arrangement of "Isle Delfino".

Itadaki Street DS
In the Japan-exclusive Itadaki Street DS, an arrangement of "Isle Delfino" serves as the background music for the Delfino Plaza board.

Fortune Street
The Delfino Plaza board returns in Fortune Street, and its background music is a new arrangement of "Isle Delfino".

Mario & Sonic at the Olympic Winter Games
An arrangement of "Isle Delfino" is included as a playable track in the Wii version of Mario & Sonic at the Olympic Winter Games. This arrangement returns as a track in the Wii version of Mario & Sonic at the London 2012 Olympic Games.

Mario & Sonic at the Sochi 2014 Olympic Winter Games
Three new arrangements of "Isle Delfino" are included in Mario & Sonic at the Sochi 2014 Olympic Winter Games and they serve as the background music for the Snow Day Street Hockey Dream Event, which takes place in Delfino Plaza. The arrangement of the song that plays depends on which area of Delfino Plaza the match takes place, with a different version each for Main Street, Market Street, and Coin Street.

Super Smash Bros. Ultimate
An arrangement of "Isle Delfino" is included as a track in Super Smash Bros. Ultimate, titled "Delfino Plaza (Remix) " and arranged by. The track can be played on any Super Smash Bros.- and Super Mario-series stage.