Anton Schindler noted how a piece titled for this adjective, its composer's opus 80, “simply fell apart” at its premiere as it stopped halfway and then restarted. For 10 points each:
[10m] Give this adjective that describes a “Fantasy” that repeats the phrase “Divine grace is bestowed upon Man.” A symphony named for this adjective premiered in Vienna alongside its composer's Missa Solemnis.
ANSWER: choral [or Choral Fantasy; or Choral Symphony]
[10e] The Choral Fantasy and the Choral Symphony, which sets the poem "Ode to Joy," were written by this German composer.
ANSWER: Ludwig van Beethoven
[10h] A fugue on “Et vitam venturi saeculi” concludes this movement of Beethoven's Missa Solemnis dedicated to Archduke Rudolf. In Mozart's Great Mass in C minor, this movement is largely missing.
ANSWER: Credo [prompt on "I believe"]
<Noah Sheidlower, Auditory Fine Arts>