The highest female voice part. Some well-known soprano parts in opera are Aida in Aida and Mimi in La Boheme. Some of the famous sopranos of this century are Kiri Te Kanawa, Joan Sutherland, Maria Callas and Renee Fleming. A symphony is a piece of music for orchestra. Beethoven and Mozart are famous composers of symphonies as well, but later composers such as Brahms, Mahler and Rachmaninoff also wrote these works.
Performers often talk about their technique.
The better your technique, the more complicated music you can play and the better you sound.