Like David Crosby and Tom Selleck, rock singer Burton Cummings of the Guess Who is a noted mustache. The Guess Who? you ask.

and it was singer David Crosby’s signature. The Pencil is a thin, finely groomed moustache just above the upper lip, popular ...

David Crosby surely needs no introduction. Byrd, CSNYer, solo artist, collaborator, early champion of Joni Mitchell, Steely Dan superfan, moustache-grower, sailor, agitator, Twitter don ...