Voice: Amaia Romero - Voice: Alfred García - Producer: Pablo Cebrián - Mixer: Óscar Vinader - Mastering Engineer: Joe Laporta - Recording Engineer: Pablo Cebrián - Recording Engineer: Iñaki de las Cuevas - String Arranger: Jeremy Murphy - String Arranger: Pablo Cebrián - Bass Guitar: Pablo Cebrián - Guitar: Pablo Cebrián - Programmer: Pablo Cebrián - Piano: Alejandro Martinez - Piano: Julio Tejera - Programmer: Iñaki de las Cuevas - Assistant Producer: Iñaki de las Cuevas - Conductor: Isobel Griffiths - Musical Director: Francis Hernández - Leader: Everton Nelson - Conductor: Cliff Masterson - Violin: Everton Nelson - Violin: Steve Morris - Violin: Rita Manning - Violin: Emlyn Singleton - Violin: Jenny Sacha - Violin: Natalia Bonner - Violin: Jackie Hartley - Violin: Mark Berrow - Violin: Boguslaw Kostecki - Violin: Patrick Kiernan - Violin: Warren Zielinski - Violin: Kathy Gowers - Violin: Magnus Johnston - Violin: Cathy Thompson - Viola: Bruce White - Viola: Andy Parker - Viola: Fiona Bonds - Viola: Rachel Bolt - Cello: Nick Cooper - Cello: Vicky Matthews