sentences:  That year he also appeared in the "Gürzenich's Concerts and Opera" at Cologne and at Leipzig.Coates became one of the most popular festival singers in England, singing at the triennial Leeds Festival in 1901 and performing Elgar's oratorio "Dream of Gerontius" at Worcester in 1902, followed by numerous other Elgar works.In 1902, he was heard at the Berlin and Hanover royal opera houses and, in 1906, at key venues in Dresden, Hamburg, Frankfurt, Mannheim and Paris, plus the Cincinnati May Festival.