Voice: Aitana - Artist: Alejandro Sanz - Artist: Antonio José - Artist: Antonio Orozco - Artist: Pablo López - Voice: Alejandro Lerner - Featuring: Alessia Cara - Featuring: Alex Ubago - Featuring: Ana Mena - Featuring: Andrés Calamaro - Featuring: Andrés Dvicio - Voice: Brian May - Featuring: Camilo - Voice: Camilo - Voice: Carlos Rivera - Featuring: Carlos Rivera - Featuring: David Bisbal - Featuring: Draco - Voice: Dulce Pontes - Voice: Fher - Voice: India Martínez - Voice: Joy - Voice: Juanes - Voice: Lali Esposito - Voice: Laura Pausini - Voice: Leire Martinez - Featuring: Macaco - Featuring: Malú - Featuring: Manolo García - Featuring: Manuel Carrasco - Voice: Mau Y Ricky - Voice: Melendi - Voice: Miguel Rios - Featuring: Mikel Izal - Voice: Nathy Peluso - Voice: Pablo Alborán - Featuring: Rosario - Voice: Rozalén - Voice: Sebastián Yatra - Featuring: Sebastián Yatra - Voice: Vanesa Martín - Background Vocalist: Juan Sebastián Naranjo - Background Vocalist: Manuela Pardo Taubert - Background Vocalist: Ricardo Tobo - Guitar: Brian May - Guitar: Daniel Uribe - Piano: Julio Reyes Copello - Piano: Lola Astanova - Keyboards: Julio Reyes Copello - Bass: Guillermo Vadalá - Drums: Aaron Sterling - Programming: Julio Reyes Copello - Producer: Julio Reyes Copello - Choir Arranger: Julio Reyes Copello - Rhythm Arranger: Julio Reyes Copello - Choir Arranger: Juan Antonio Cuellar - Rhythm Arranger: Juan Antonio Cuellar - Sound Design: Julio Reyes Copello - Sound Design: Juan Antonio Cuellar - Sound Design: Antonio Medellin - Recording Engineer: Julio Reyes Copello - Recording Engineer: Justin Shirley-Smith - Recording Engineer: Daniel Uribe - Recording Engineer: Natalia Schlesinger - Recording Engineer: Brian May - Recording Engineer: Aaron Sterling - Recording Engineer: Guillermo Vadalá - Recording Engineer: Robin Reumers - Recording Engineer: Natalia Ramírez - Mix Engineer: Julio Reyes Copello - Mix Engineer: Natalia Schlesinger - Mix Engineer: Robin Reumers - Mastering Engineer: Antonio Baglio - Production Coordinator: Natalia Hernández