To overorchestrate means to plan or arrange something, like music or an event, in a way that is too complicated or too much.
Overorchestrated things can feel fake or not natural. They might seem like they are trying too hard.
Examples:
The concert was overorchestrated and didn't sound good.
She overorchestrated the party and it was too much.
The play was overorchestrated with too many actors.
The cake was overorchestrated with too many decorations.
The movie was overorchestrated with too many explosions.
He overorchestrated the game and it was too hard to play.