The Human Equation (2004)
- Day One: Vigil letra
- Day Two: Isolation letra
- Day Three: Pain letra
- Day Four: Mystery letra
- Day Five: Voices letra
- Day Six: Childhood letra
- Day Seven: Hope letra
- Day Eight: School letra
- Day Nine: Playground letra
- Day Ten: Memories letra
- Day Eleven: Love letra
- Day Twelve: Trauma letra
- Day Thirteen: Sign letra
- Day Fourteen: Pride letra
- Day Fifteen: Betrayal letra
- Day Sixteen: Loser letra
- Day Seventeen: Accident? letra
- Day Eighteen: Realization letra
- Day Nineteen: Disclosure letra
- Day Twenty: Confrontation letra Volver a las letras de Ayreon