Example: you have a minimum-sized team that can work on that Trello board. One person for each column. After putting 20 songs through the assembly line, you fin

Example: you have a minimum-sized team that can work on that Trello board. One person for each column. After putting 20 songs through the assembly line, you find that things are getting bottlenecked at the percussion engineering part, and you are missing deadlines. So you hire another percussion engineer. It's like a service-oriented architecture. If there is a lot of demand on a service, you spin up another copy of it.