The phrase "rhythm of something" refers to the regular, repeated pattern or flow that characterizes a particular activity, event, or process. Full definition
It's slowly coming together and getting into the new rhythm of it all has had its ups and downs. (thisseasonsgold.com)
These days the hardest part is starting a new project after a period of downtime between books, it takes a while to get back into the daily rhythm of it all. (everydayauthor.com)
«I feel like I've played my way into the rhythm of it. (wpxi.com)