Act I is the first live album released by the Finnish soprano Tarja Turunen at the El Círculo Theatre in Rosario, Argentina on March 30th. and 31st. 2012. Set-List: 1. If You Believe (Intro) / 2. Anteroom of Death / 3. My Little Phoenix / 4. Dark Star / 5. Naiad / 6. Falling Awake / 7. I Walk Alone / 8. Orpheus Hallucination / Orpheus in the Underworld / 9. Little Lies (Instrumental) / 10. Little Lies / 11. Into The Sun / 12. Nemo / 13. Acoustic Set: Rivers of Lust / Minor Heaven / Montañas De Silencio / Sing For Me / I Feel Immortal / 14. Never / Enough / 15. In For a Kill / 16. Toccata and Fugue D-minor, BWV 565 / The Phantom of the Opera / 17. Die Alive / 18. Until My Last Breath / 19. Over The Hills and Far Away (Gary Moore Cover).
| Directing | Max Vaccaro | Director |
| Costume & Make-Up | Maia Rohrer | Makeup Artist |
| Lighting | Tommi Stolt | Lighting Technician |
| Costume & Make-Up | Sirja Tiilikainen | Wardrobe Coordinator |
| Directing | Cedric Vorpe | Stage Director |
| Production | Tarja Turunen | Producer |
| Crew | Tim Palmer | Mix Technician |
| Production | Marcelo Cabuli | Producer |
