text: This composer's final piano sonata includes a scherzo marked Allegro vivace con delicatezza and begins with alengthy Molto moderato movement in B-flat major.
full_question: This composer's final piano sonata includes a scherzo marked Allegro vivace con delicatezza and begins with alengthy Molto moderato movement in B-flat major. He may have originally intended his Piano Trio No. 1 in Bflatmajor to include his Notturno in E-flat major as one of its movements. This composer included two cellos,rather than the traditional two violas, in his String Quintet in C major. One of his string quartets ends with a Dminor tarantella and includes a second-movement set of variations on the song "Death and the Maiden." Thiscomposer included a double bass instead of a second violin in a piano quintet whose fourth movement quoteshis own lied "Die Forelle." For 10 points, name this composer of the Trout Quintet.
first_sentence: This composer's final piano sonata includes a scherzo marked Allegro vivace con delicatezza and begins with alengthy Molto moderato movement in B-flat major.
raw_answer: Franz Schubert [or Franz Peter Schubert]