The marathon always starts after 30K. That's where the problems start. You start without any problems, without any pain. All the pain comes after 30K. Sometimes, it's possible to have pain even in the finger. ↗
Going to a concert can sometimes be very difficult. It can be a long journey. There's the ticket prices. But when the music goes to the community - not the community coming to the concert - they say, 'Wow! I didn't know that this music was so amazing!' ↗
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. ↗