Suteki da ne " Suteki da ne " is a song used as the romantic theme in " Final Fantasy X " . It was written by Nobuo Uematsu and Kazushige Nojima , and was sung by RIKKI . Lee Soo Young sung the Korean version of the song , titled " 얼마나 좋을까 " ( " Eolmana joh - eulkka " , lit . " Wouldn ' t It Be Wonderful ? " ) . It appears in the Korean version of " Final Fantasy X International " . The Spanish group Charm made a Spanish version of the song called " No Sería Mejor ? " ( " Wouldn ' t It Be Best ? " ) . A music video of the song is included in the " Beyond Final Fantasy " feature included with the International and PAL versions of " Final Fantasy X " . Development . Uematsu initially had difficulty composing the theme song for " Final Fantasy X " , even after having found the perfect singer . In the " Beyond Final Fantasy " feature , Uematsu explains the way he went about composing " Suteki da ne " . Game appearances . " Final Fantasy X " . " Suteki da ne " plays during the romantic scene between Tidus and Yuna at the Macalania Spring after their escape from Bevelle . Its arrangements are " Daughter of a Grand Summoner " which plays during Yuna ' s introduction , " Yuna ' s Theme " which plays during scenes involving Yuna , " Game Over " which plays when the party is KO ' d , " Spira Unplugged , " which plays as a town theme in Besaid Village and Kilika Port , and " A Fleeting Dream " which plays on the Zanarkand Ruins road . The orchestral version of the song plays during the ending credits . Both " Yuna ' s Theme " and " A Fleeting Dream " play in their original versions ( including in the remaster ) during scenes in " " . " Dissidia 012 Final Fantasy " . " A Fleeting Dream " makes an appearance in " Dissidia 012 " as a bonus battle track purchasable in the PP Catalog and it also appears as the name of Tidus ' s second alternate outfit name . An arrangement of " Yuna ' s Theme " is present in this game and serves as the world map theme for Yuna in her chapter in the " Treachery of the Gods " scenario . " Theatrhythm Final Fantasy " . " Suteki da ne " appears in this rhythm game for Nintendo 3DS . It plays during an Event Music Sequence . It was one of the songs that was released as a sample demo before the game ' s full release . Additionally , " A Fleeting Dream " also appears as a downloadable Field Music Sequence track , depicting the ruins of Zanarkand in the background . " Theatrhythm Final Fantasy Curtain Call " . Both " Suteki da ne " and " A Fleeting Dream " recur in this game ; however , " Suteki da ne " has been changed to a Field Music Sequence track in this game . " A Fleeting Dream " is available within the game , as opposed to being DLC . Arrangement album appearances . The song was included within the repertoire of the " Distant Worlds II : Music from Final Fantasy " series of concerts . The song was performed in English by Susan Calloway on the live recording of the album . " 20020220 music from Final Fantasy " . The song , performed live by RIKKI and Tokyo Philharmonic Orchestra , is included on the album . " More Friends - Music from Final Fantasy " . The song , performed live by RIKKI and The World Festival Symphony Orchestra , is included on the album . A piano arranged version of the theme is found on this album arranged by Masashi Hamauzu and performed by Aki Kuroda . " Guitar Solo Final Fantasy Official Best Collection " . A solo classical guitar arrangement of " Suteki da ne " was performed by Yuji Sekiguchi for this album . " Final Fantasy Orchestra Album " . " Suteki Da Ne " appears on this album released to commemorate the " Final Fantasy 20th Anniversary " . " Cafe SQ " . " Cafe SQ : FINAL FANTASY X " Suteki da ne " / SmileR feat . Miina ( Sayonara Ponytail ) " is a track on this arrangement album with music arranged to sound like music that would play in a cafe . Non - Square Enix appearances . " Kadachō Kanaria " . " Suteki Da Ne ~ Autumn Version ~ " , is one of the tracks included in RIKKI ' s solo album . This version never been released in any of " Final Fantasy " album . " EXIT TRANCE PRESENTS FamiTrance EX " . A rearranged version of " Suteki da ne " appears as the fourth track in this album .