Classical musicians do this all the time. They want perfection. So they piece things together. Eight bars of this and six bars of that. Glenn Gould said that with a recording he wanted to make perfect versions of pieces.
“I'm definitely one of those actresses who comes to a set knowing how I want to do a scene, and I definitely love input from my directors and my writers. I know that there's some actors who like to be left alone, they like to be very independent, but I actually really enjoy the teamwork.”