Concert
noun
Agreement in a design or plan; union formed by mutual communication of opinions and views; accordance in a scheme; harmony; simultaneous action.
Musical accordance or harmony; concord.
A musical entertainment in which several voices or instruments take part.
“I'm going to the rock concert on Friday.”
Synonyms: gig
verb
To plan together; to settle or adjust by conference, agreement, or consultation.
To plan; to devise; to arrange.
To act in harmony or conjunction; to form combined plans.