Only in the movies.
I wish that in life, like in the movies, it was socially acceptable to break out into song. Not song and dance, just song, like in Anchorman, when they are in Ron's office and just break out into "Afternoon Delight" A Capella. See, I was just outside, smoking, seeking shelter from the freezing winds that rip through you like an icy knife; shivering and singing to myself in a quiet little voice, when I thought about how great it would be to break out into a melodic, humerous song from the sixties or seventies, with a group of people who are all on the same page, with harmonizing voices. It could only happen in the movies, because I have a feeling that if it was possible, it would be over used or used at inapproiate times. The only reason that it would be cool to do it, is because it would have to be done at the right time It's a spur of the moment kindof thing and I think that it would end up making life like a musical with billions of people running around singing, which whould be a horrible, horrible thing.