A sweet video has emerged of Londoners travelling through Leicester Square tube station late last week taking a moment to dance along as a busker plays music.br br The filmer wrote online: " I just moved to London a few weeks ago, and, on my way home last Friday night, caught this moment of wonderful spontaneity and human-ness in Leicester Square underground station.br br "This talented busker caused some commuters to forget their worries for a few moments and get taken in by the dancing....