But in other ways the music took on a life of its own.
The process they began took on a life of its own.
At a certain point, these things take on a life of their own.
But then the thing took on a life of its own.
The project began to take on a life of its own.
The energy here was beginning to take on a life of its own.
But the party is taking on a life of its own.
The meeting quickly took on a life of its own.
But the studies took on a life of their own.
You could say they take on a life of their own.