In this task you will be given a text passage from a trivia quiz. You should choose the category this question belongs to from these categories: History, Science, Social Science, Fine Arts, Literature. You can only choose one category, so if in doubt, please choose the closest match.

He used "La Follia" as the basis for his last original solo piano composition, Variations on a Theme of Corelli. Unsatisfied with his revisions of his second piano sonata, he gave Horowitz authority to change it however he pleased. Glazunov's drunken conducting of his first symphony sent him into a three-year-long depression, which he once consulted Tolstoy about. He wrote an Elegiac Trio after the death of Tchaikovsky, who was set to conduct his symphonic fantasy The Rock. He referred to his third piano concerto, written for his first American tour, as "a piece for elephants". A painting by Bocklin inspired his Isle of the Dead, and he also set Poe's The Bells to music. FTP, identify this Russian composer who used a caprice for solo violin as the basis for arguably his most famous work, Rhapsody on a Theme by Paganini.
Fine Arts

This work contains the lines, "The swallow tittering from the straw-built bed, the cock's shrill clarion, or the echoing horn, no more shall rouse them from their lowly bed" before claiming that "Full many a gem of purest ray serene the dark unfathom'd caves of ocean bear". Another section of this work discusses how "Knowledge to their eyes her ample page, rich with the spoils of time, did ne'er unroll" and "beneath those rugged elms, that yew tree's shade, where heaves the turf in many a mouldering heap, each in his narrow cell for ever laid". This work begins with the lines, "The curfew tolls the knell of parting day, the lowing herd winds slowly o'er the lea". For 10 pointsname this poem by Thomas Gray.
Fine Arts

Created as a solution to the Entscheidungsproblem, this theoretical construct consists of a head and a tape. The head may or may not alter its internal state and may or may not overwrite a symbol on the tape. Depending on the input, the head performs an operation such as moving to the right or left or halting the tape. FTP name this device, the basis for modern computers.
Science