Absolutely a valid and sensible choice. The parade passes on, unaware of the man nearby, and when it's gone Rosinante is able to safely get home and back to Mary. It takes, like, a solid forty-five minutes, because they get really into this one song, and it's kind of a pity he can't hear it, it's a great song, like, you hear that one piano note and suddenly you just want to join in--

But alas, perhaps next time. Enjoy your evening, bud!