The definition of a command performance is something done by request, especially a play put on at the request of a leader such as a president or a king.
If the President of the United States asks a violinist to perform a concert at the White House, the concert performed is an example of a command performance.
a performance, as of a play, put on as for a ruler by command or request
(plural command performances)
- (archaic) A dramatic, musical, or similar entertainment performed before a monarch or other head of state, especially in a circumstance where that ruler has requested or ordered the performance.
- (idiomatic, by extension) A task, activity, or other assignment which one undertakes in order to satisfy someone in authority, such as an employer.