Playing with the piano (or looking for patterns)

This is one of my silly looking-for-a-pattern picture. The flag is one of many coloured flags left from the jazz festival (and about to go down a few hours later). The building behind is the Place-des-Arts, the old haunt of the Montreal Symphonic Orchestra. Reflected in the window is a pavillion of Université du Québec à Montréal which happens to be of a yellowish goldish colour similar to the flag. If you look sideways, the reflection and the windows below are a bit reminiscent of the flag and the keyboard on it. Non?