Gig Savers: Harmonica: First Gig - Everything You Need to Know The Gig Savers series has been designed to give studying harmonica players answers to common questions in a brief, affordable, yet informative fashion. First Gig is the first published book to specifically cover what a harmonica player is to do from before he or she leaves the house until the gig is over. Areas covered are: jam session etiquette; amp, mic and harp choice; building set lists; and everything else a performing harmonica player may run into.