The foyer also features statues representing William Shakespeare , Robert Burns and four muses , music , dance , tragedy and comedy , which were originally placed on the roof of the Royal Princess 's Theatre .
Are the work of Victorian Glasgow sculptor John Mossman .
The foyer also features statues representing William Shakespeare , Robert Burns and four muses , music , dance , tragedy and comedy , which were originally placed on the roof of the Royal Princess 's Theatre and are the work of Victorian Glasgow sculptor John Mossman .