- The Gulf Coasters are a group of men who share a common interest - the love of singing. Through barbershop harmony, a tight blending of voices, we endeavor to spread this interest throughout the community. If you love to sing, why not join us and see what barbershop harmony is all about! Contact us for more information: David Gay Director (Note to Netscape Users) Members of Society for the ...www.harmonize.com/GulfCoasters