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.

[Q]: Iannis Xenakis used eight so-called "sound complexes" in a solo work for this instrument called Nomos Alpha. Six beats on the body of these instruments begin the main theme in Arvo Part's orchestration of Fratres for twelve of them. An ensemble consisting entirely of these instruments was founded in the 1970s by twelve members of the Berlin Philharmonic. The first of Villa-Lobos's Bachianas Brasileiras was composed for (*) eight of these instruments, while Jacqueline du Pre popularized Edward Elgar's concerto for it. J.S. Bach's six unaccompanied suites for this instrument were famously recorded by both Mstislav Rostropovich and Pablo Casals. For 10 points, name this instrument played by Yo-Yo Ma which joins two violins and a viola in a string quartet.
[A]: Fine Arts


[Q]: 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.
[A]: Fine Arts


[Q]: Cross linking in this protein occurs when two oxidized derivatives of lysine link up; the amount of cross linking that occurs in this protein increases with age. This protein contains three left handed helices which combine to form a triple helix. About one third of this protein is amino acid is glycine; this protein also consists of hydroxyproline. A lack of ascorbic acid causes an inability to synthesize hydroxyproline, causing a breakdown of this protein in the gums in a disease called scurvy. For 10 points, name this elastic protein found in connective tissue, skin and cartilage.
[A]:
Science