9 | The Battle of the Past- engineer:
- Mikko Karmila (drums (drum set)), Sebastián Manta (lead vocals, background vocals) and Augusto Milharcic
- executive producer:
- Marcelo Cabuli
- producer:
- Max Ditamo (lead vocals, background vocals), Mikko Karmila (drums (drum set)), Fabio Lione (lead vocals, background vocals), Sebastián Manta (lead vocals, background vocals), MIC (lead vocals, background vocals), Jörg Michael (drums (drum set)), Augusto Milharcic and Beto Vázquez
- mixer:
- Mikko Karmila
- acoustic guitar and electric guitar:
- Javier Bagalá
- bass guitar:
- Beto Vázquez
- drums (drum set):
- Jörg Michael
- keyboard:
- Danilo Moschen
- background vocals:
- Javier Britos, Max Ditamo and Diego Valdez
- guest lead vocals:
- Fabio Lione
- arranger:
- Danilo Moschen and Beto Vázquez
- concertmaster:
- Danilo Moschen
- phonographic copyright (℗) by:
- NEMS Enterprises
- produced for:
- NEMS Enterprises
- recorded at:
- Estudios El Zoológico in Argentina, Finnvox in Helsinki, Uusimaa, Finland (drums (drum set)) and La Nave de Oseberg in Buenos Aires, Argentina (lead vocals, background vocals)
- mixed at:
- Finnvox in Helsinki, Uusimaa, Finland
- recording of:
- The Battle of the Past
- lyricist:
- Max Ditamo and Beto Vázquez
- composer:
- Beto Vázquez
| Beto Vázquez Infinity | 3 | 4:24 |