For 10 points, name this classical Austrian composer of the "Surprise" symphony.
This composer's Opus 20 broke with the Galante style by including non-symmetrical phrases and giving each instrument an equal voice. This composer was the first to regularly include dance forms such as the minuet in his symphonies, which include ones named "Philosopher" and (*) "Drumroll." This composer's "London symphonies" include one whose second movement interrupts the theme of "Twinkle, Twinkle Little Star" with a sudden crashing chord. For 10 points, name this classical Austrian composer of the "Surprise" symphony.
This composer's Opus 20 broke with the Galante style by including non-symmetrical phrases and giving each instrument an equal voice.
Franz Joseph {Haydn}