| 1 | Y serás canción- electric guitar:
- Jorge Escobedo (in 2007) and Alberto Marín (in 2007)
- electric piano:
- Pepe Herrero (in 2007)
- solo electric guitar:
- Alberto Marín (in 2007), Jero Ramiro (in 2007) and Jorge Salán (in 2007)
- violin:
- Mohamed (in 2007)
- choir vocals:
- Leo Jiménez (from 2007 to present), Beatriz Albert (in 2007), José Andrëa (in 2007), David Curtonates (in 2007), Carlos Escobedo (in 2007), Txus di Fellatio (in 2007) and Silver (in 2007)
- lead vocals:
- Leo Jiménez (from 2007 to present), Beatriz Albert (in 2007), José Andrëa (in 2007), Belén Arjona (in 2007), David Curtonates (in 2007), Carlos Escobedo (in 2007), Morti (in 2007) and Silver (in 2007)
- recording of:
- Y serás canción (in 2007)
- lyricist and composer:
- Txus di Fellatio (in 2006-09)
- arranger:
- Carlos Escobedo (in 2006-09) and Jorge Salán (in 2006-09)
- dedicated to:
- Big Simon
| Big Simon Band | | 6:04 |
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