The Boston Gay Men’s Chorus announced Wednesday that next year it will become the first gay chorus to tour the Middle East. The group’s music director Reuben M. Reynolds III and executive director Craig Coogan said the ensemble will perform in Israel and Turkey, and that it will leave for the trip in a year, next June 18.Mark Shanahan can be reached at email@example.com. Follow him on Twitter @MarkAShanahan. Meredith Goldstein can be reached at firstname.lastname@example.org. Follow her on Twitter @MeredithGoldste.