| 수록곡(엑스트라) | 삭제곡 | 라디오채널 | 히든커맨드 |
EZ2AC : ENDLESS CIRCULATION의 엑스트라 스테이지에서 고를 수 있는 곡 목록.
Legend는 정상적이라면 고를 수 있어야 하지만, 버그로 인해 누락되어서 Legend를 고르면 스킵된다. 게다가 버전 정보도 'AZURE EXPRESSION'으로 되어있다.
1. 엑스트라 스테이지 곡 목록
| 곡명 | 장르 |
| The 1st Tracks | |
| 없음 | |
| The 1st Tracks Special Edition | |
| 없음 | |
| 2nd TraX | |
| Minus 1 (Space Mix) | Techno Trance |
| Showdown | Hard Rock |
| 3rd TraX | |
| 20000000000 | Junkno |
| 2nd Jewel | Acid Pop |
| Black Market | Big Beat |
| Cosmic Bird | Space Techno |
| Give it 2 me | Acid Fusion |
| Lie Lie | House Pop |
| Minus 2 | Death Techno |
| R.F.C. | Battle Rock |
| Sand Storm | Visual Techno |
| Y-Gate | Techno |
| 4th TraX | |
| Aquaris | Trance Fusion |
| B.O.W ~Battle of Wilderness has started | MMORPG |
| Climax | Hardcore |
| Complex | Future Jazz |
| Fire Storm | Hard Techno |
| Futurist | New Wave Rock |
| Go! | Rock |
| J.M.J | 2step Garage |
| Judgment | New Jack Straight |
| Lovely Day | House Pop |
| Mad Robot | Toy Pop |
| Metagalactic | Techno Trance |
| Platinum | |
| 느낌 | Kpop |
| Memories | Alternative Rock |
| Panic Strike | Space DnB |
| Weird Wave | Instrumental |
| Zeroize | DnB Techno |
| 6th TraX | |
| One Two Three Four | Hiphop |
| Refresh | (미표기) |
| Stay with me | (미표기) |
| 7th TraX | |
| 전곡 삭제 | |
| 7th TraX Ver 1.5 | |
| Lucid | D'n'Concerto |
| Never Feel This Way | House Pop |
| 7th TraX Ver 2.0 | |
| Aura | Trance |
| Don't Say Anything | Trance |
| SINUS | Piano Etuden |
| 7th TraX CODENAME VIOLET | |
| Blood Castle (Remix) | Symphonic Trance |
| Doll's Garden | Oriental Pop |
| Eraser Rain for GAIA | Drum n Bass |
| La Grand Bleu | Trance |
| Tempus Praeterita | Anthem Trance |
| 神威 | Artcore |
| 7th TraX BONUS EDITION | |
| 하나뿐인 당신에게 | (미표기) |
| A Final Dreaming | Winter Trance |
| Apollon | Trance Core |
| Atomizer | Drum'N Bass |
| BLEED | Euro Beat |
| Cosmos | (미표기) |
| Dreamy Days | Dream Pop |
| Luv Message | (미표기) |
| Messier 333 | Schranz |
| MxMxM Star | (미표기) |
| Pair Creation | (미표기) |
| Return to Universe | (미표기) |
| Romance for Moon | (미표기) |
| Rosen Vampir | Gothic Concertino |
| Sensation of Stage | (미표기) |
| Sign Mellow | (미표기) |
| Skyward | (미표기) |
| Thrust Out | (미표기) |
| Uranus | (미표기) |
| AZURE EXPRESSION | |
| 1950 | Emocore |
| AXIS | Trance |
| Core | Classic d'n'b |
| Frostbite | Techno |
| Morgenglut 2012 | Trance core |
| Nihilism | Artcore |
| Rising In My Heart | Eurobeat |
| satellite 61 | Drum'N Bass |
| Taillight Phantom | Speed Techno |
| The Ashtray | Nu Electro |
| The Onyx Night Sky | Trance |
| AZURE EXPRESSION INTEGRAL COMPOSITION | |
| Crisp | d'n concerto |
| Disease | Hard Rock |
| Extra Wave | Electric |
| Frozen Eyes | Artcore |
| Nachthexen | Trance |
| Out of the Blue | Frs-fus |
| Phat Trash | Drum'n Bass |
| Resonance Spectra | Electro Rock |
| ENDLESS CIRCULATION | |
| Actias Artemis | Trance |
| Again | Electronic Pop |
| A Glimmer | Epic Trance |
| Airwave | Nu Disco |
| Aniart | Pop |
| A Site De La Rue | SUBWAY TECHNO |
| BEATRICE | Freeform Hardcore |
| Black tinted alley | Electro Hop |
| Break of Dawn | Epic Trance |
| Dancing Light | Progressive Trance |
| DISTOPIA | Progressive House |
| Dream Walker | 8bit Light Pop |
| Entire | Tech Trance |
| Fallback | Nu Tech |
| FUTURE NIGHT | Electro House |
| Hesitate | Trance |
| Indistinction | Trance |
| Magic Square | Jazztronica |
| M!rror | Electro Fusion |
| Nothing Else | Techno |
| northpole | Drum'N Bass |
| Orphan Children | Melodic Trance |
| Planet X | Retro Space Techno |
| Push me again | Electro Jungle |
| QUADCORE | Mixture |
| Rendezvous Coast | Disco House |
| Shine Through | Electronica |
| Shove it | Acid Tech |
| Sigma | Electro Dub |
| Starlight Factory | Epic Trance |
| Stranger | Ethnic House |
| Tension | Trance |
| Todos Los Dias | Progressive Fusion |
| Total Eclipse | Epic Trance |
| Tron | Trance |
| True | Electronic House |
| UniT | Drum'N Bass |
| WHEEL OF FIRE | UK Hardcore |
| Withered Heights | Down Tempo |
2. EC에 수록되었으나 엑스트라 스테이지에 등장하지 않는 곡들
[1] 그래봤자 Lucid랑 Never Feel This Way 두 곡밖에 없지만.