Answer:
Most common photo apps can crop photos on their own. If the photo is on your phone, you can use google photos or any other default app to crop it and then transfer it to the computer. This can also be done through the computer with whatever app you use to view the photo.
Explanation:
I'm too lazy to write this, but I have an idea, classical music isn't boring. There are some songs with cannons in them. Hope that helps :)
