Born in 1028 in Hamburg, Ursula Boese beganher career in 1955. After big successes in the concert hall, she had her stage debut in 1958 at the Festival of Bayreuth as Flosshilde and as 2nd Norn in Der Ring des Nibelungen. She regularly sung in Bayreuth. In 1960 she became a member at Hamburg State Opera. She appeared there in 1969 in the premiere of the opera Die Teufel von Loudun by Krzysztof Penderecki, and also in 1968 in children opera Help! Help! The Globolinks by G.C. Menotti.
She also sung at various festivals, at the Covent Garden Opera in London, at Milan’s La Scala, at the Opera of Rome, at the Teatro Colón in Buenos Aires, at the State Opera of Vienna and at the Grand Opéra in Paris.
She recorded for MMS (Weihnachts-Oratorium by J.S. Bach), DGG (including complete operas Der Evangelimann by Kienzl, Salome by R. Strauss, Lulu by Alban Berg), Westminster (Erda in Der Ring des Nibelungen), Philips (Parsifal, Die Teufel von Loudun by Penderecki), Metronome (Lieder).