in 1975, norman moved to london and had no staged opera appearances for the next five years. she remained internationally active as a recitalist and soloist in works such as mendelssohn's "elijah" and franck's "les béatitudes". norman returned to north america again in 1976 and 1977 to make an extensive concert tour, but it was not until many years later that she would make her u.s. opera début, only after she had established herself in europe's leading opera houses and festivals including the edinburgh international festival, salzburg festival and aix-en-provence festival. norman toured europe throughout the 1970s, giving recitals of works by schubert, mahler, wagner, brahms, satie, messiaen, and several contemporary american composers, to great critical acclaim.