 In 1974, Cochran first sang at the Royal Opera House, as Laca in Janáček's "Jenůfa", conducted by Sir Charles Mackerras.In 1975, he performed the title role of Wagner's "Lohengrin" at the New Orleans Opera, and, in 1977, sang in Janáček's "Katya Kabanova" at San Francisco, alongside Elisabeth Söderström, Chester Ludgin and Susanne Marsee.He returned to that company in 1997, for Herod in "Salome" by Richard Strauss.