Something that teaches children to play instruments so like 'it' could be a teacher that teaches kids instruments?
Sets of gears move inside of it that persicely move the hands onto the time. That's why watches can be so intricate and valuable.
If your looking for how to read one, it's pretty straightforward if you look it up online.
There's no "using namespace std;" statement. I see no reason for COLOR to be two dimensional or have a length of 5 with only four elements. The inside of the for loop with variable 'J' makes no sense.