It's also about to what public and where you perform.
This is at Ibiza, a popular island where i.e. a lot of Scaninawians travel to lick sunbeams, drink a lot of alcohol and party all night long.
Pianoman, as we see him in this video, is just on track for this kind of entertainment.
Only thing i would remark, is that he is almost hidden behind the rack. Should be more visible to the public.