Film scores are often based on short themes, and it helps if you've got some way of developing these themes and making them sometimes last 4 minutes and sometimes last 40 seconds. One ends up doing it subconsciously.

Quote

“Film scores are often based on short themes, and it helps if you've got some way of developing these themes and making them sometimes last 4 minutes and sometimes last 40 seconds. One ends up doing it subconsciously.”