Suitable. Rachmaninoff's "Musical Moments" Op.16No.4 is an important part of Rachmaninov's piano works. It is a professional performance level and suitable for college entrance examinations. This piano music work "Musical Moment" (Op.16) created by Rachmaninoff is one of the most successful creations among his early piano music works, and it is also a classic work of romantic piano music in the history of music.