She is particularly known for her portrayal of Erda in Richard Wagner 's Ring Cycle ; a role which she has performed several times at the Bayreuth Festival and recorded on the BBC Legends Record Label .
Christa Mayer is a German operatic mezzo - soprano .
Christa Mayer is particularly known for Christa Mayer 's portrayal of Erda in Richard Wagner 's Ring Cycle ; a role which she has performed several times at the Bayreuth Festival and recorded on the BBC Legends Record Label .
Christa Mayer is a German operatic mezzo - soprano .