Plácido Domingo (tenor), Ramon Stagnaro (acoustic guitar), Eugene Kohn, Josh Groban (vocal), Harry Connick Jr. (vocal), Zaz (vocal), Gil Goldstein (accordion), Katherine Jenkins, Mark Griffiths (chorus master), Olli Cunningham (piano), Katherine Jenkins feat. Plácido Domingo, Chris Botti (trumpet), Susan Boyle (vocal), Megan Hilty (vocal), Fabian Carbone (bandoneon), Ramiro Boero (bandoneon), Gastón Puy (guitar), Chema Vílchez (guitar), Pablo Martín Caminero (contrabass), Rufo Urbina (drums), Moisés Patricio Sánchez (piano), Francesco Renga (vocal)
Sally Herbert, Vanessa Garde, Nazareno Andorno
