A composition (usually in symphonic form with three movements) in which one instrument (or two or three) stands out in bold relief against the orchestra, or accompaniment, so as to display its qualities or the performer's skill.
There are many collaborations I'd like to explore. One is to co-write a rap concerto with Eminem. Evelyn Glennie
When you play a concerto with a small orchestra, you don't feel it is as important as Carnegie Hall. You try to work out all the little problems. Once that's all done, trust comes in. Itzhak Perlman
The cello is a hero because of its register - its tenor voice. It is a masculine instrument, whereas the violin is feminine because of its soprano pitch. When the cello enters in the Dvorak Concerto, it is like a great orator. Mstislav Rostropovich
All the reading in the world cannot immunize you from the devastating effects of psychopaths. Everyone, including the experts, can be taken in, conned, and left bewildered by them. A good psychopath can play a concerto on anyone's heart strings. Robert D. Hare