Where is the thing you need help with?
Answer:
The correct answer is option B) The Nutcracker was Tchaikovsky's only ballet NOT choreographed by Marius Petipa.
Explanation:
Marius Petipa choreographed the original production of "The Nutcracker" together with Lev Ivanov in 1891.
Petipa also took part on the creation of the script, based on Alexandre Dumas 1845's transcript "The tale of the Nutcracker", which original was named "The Nutcracker and The Mouse King", written by Ernst Theodor Amadeus Hoffman earlier in 1816.
I hope it helps!
The development of romantic music increased in pace with the rise of the virtuoso performer.
A virtuoso performer is one who has the ability to play an instrument beyond the average skill. He or she can perform feat that is uniquely his or her own. Because of this, the virtuoso performer is treated like a "star" and with their gaining popularity so did the romantic music they use gain popularity among the adoring public.