BBC Singers, Seattle Symphony, Orquestra Simfònica de Barcelona i Nacional de Catalunya, Tim Roseman, Avner Itai, James Ghigi, Stephen Keavy, Christopher Bowers-Broadbent, Gerard Schwarz, Ted Christopher, Barbara Harbach
BBC Singers, The London Chorus, Academy of St Martin in the Fields Chorus, Spectrum, Raphael Frieder, Ted Christopher, Joseph Cullen, Tim Roseman, Kenneth Kiesler, Slovak Chamber Choir, Avner Itai, James Ghigi, Samuel Adler, Patrick Mason, David Pittman Jennings, Stephen Keavy, Christopher Bowers-Broadbent, Hugh Potton, Slovak Radio Symphony Orchestra, Ronald Corp
