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 am now in Gibraltar. It is a large place and there does not seem to be room in this letter, in which to express my feelings about Moors in bare legs and six thousand Red-coats and to hear Englishmen speak again.”