Enrico CarusoEnrico Caruso would have been no older than 48 in The Art of Singing: Golden Voices of the Century 
Maria CallasMaria Callas would have been no older than 53 in The Art of Singing: Golden Voices of the Century 
Fritz WunderlichFritz Wunderlich would have been no older than 35 in The Art of Singing: Golden Voices of the Century 
Mario LanzaMario Lanza would have been no older than 38 in The Art of Singing: Golden Voices of the Century 
Franco CorelliFranco Corelli was 76 in The Art of Singing: Golden Voices of the Century 
Kirsten FlagstadKirsten Flagstad would have been no older than 67 in The Art of Singing: Golden Voices of the Century 
Beniamino GigliBeniamino Gigli would have been no older than 67 in The Art of Singing: Golden Voices of the Century 
Donald SturrockDonald Sturrock was >> in The Art of Singing: Golden Voices of the Century as 'Director'