Beethoven, already in demand in Vienna’smusical circles, reinforced his position inthe imperial city with the publication of histhree Op. 1 Piano Trios in 1795. He regularlyreturned to the piano trio medium over thenext fifteen years, outlining a chilling visionof the supernatural in his ‘Ghost’ Trio andemulating the warmth and charm of folkmusic in its companion piece, the PianoTrio in E flat.