 Among the guest artists who appeared with the company in the 1970s were the baritone Tito Gobbi , as Falstaff ( 1972 ) , the sopranos Elisabeth Söderström as Emilia in The Makropoulos Case ( 1978 ) and Anne Evans as Senta in The Flying Dutchman ( 1972 ) , and the conductors James Levine ( Aida , 1970 ) and Reginald Goodall ( Tristan and Isolde , 1979 ) . 
 Among the guest artists <a href='null_relcl' title='1'><mark>who</mark></a>appeared with the company in the 1970s <a href='uninflect' title='2'><mark>were</mark></a> the baritone Tito Gobbi , as Falstaff ( 1972 ) , the sopranos Elisabeth Söderström as Emilia in The Makropoulos Case ( 1978 ) and Anne Evans as Senta in The Flying Dutchman ( 1972 ) , and the conductors James Levine ( Aida , 1970 ) and Reginald Goodall ( Tristan and Isolde , 1979 ) . 
Among the guest artists appeared with the company in da 1970s was the baritone Tito Gobbi , as Falstaff ( 1972 ) , the sopranos Elisabeth Söderström as Emilia in TdaMakropoulos Case ( 1978 ) and Anne Evans as Senta in Thdalyin Dutchman ( 1972 ) , and the conductors James Levine ( Aida , 1970 ) and Reginald Goodall ( Tristan and Isolde , 1979 ) .