Delius.
I believe that is Handel. I believe that is Handel.
Pierre Akendengué
The Russian piece of music called Kalinka was written in 1860 by Ivan Larionov. The piece is a choral number with music and lyrics and has been performed and covered by many groups.
Beethoven wrote a piece of music by that name.
Nutcracker
Most obviously, it's an "occasional" piece, such as the Serenade to Music by Ralph Vaughan Williams, which he wrote specifically for the anniversary of conductor Sir Henry Wood, but which was good enough that it's been kept in the standard choral repertoire. If a fee is offered, it can be called a "commission."
Beethoven wrote many pieces of music, lots of them are famous.
The symphonic band piece named "Russian Christmas Music" was originally written back in the year 1944. The man who wrote it was an American named Alfred Reed.
Mozart wrote the piece in 1787, which would have made him 31.
His most famous and popular piece is "The Sorcerer's Apprentice" which is essentially a program piece for orchestra. He also wrote piano music (including a large sonata sometimes called the "French Hammerklavier"), chamber music, and other works.
It is apocryphal, it is unlikely he did so
The Ode to Joy is a name for part of the 4th movement of the 9th Symphony by Ludwig van Beethoven