Men who have sex with men with regard to trans women, people born either biologically male or with ambiguous genitalia who self-identify as female. Some sources consider trans women who have sex with men to be MSM, others consider women who are trans "alongside" MSM, and others are internally inconsistent (defining transgender women to be MSM in one place but referring to "MSM and transgender" in another). Determining the number of men who have ever had sex with another man is difficult. Worldwide, at least 3% of men, and perhaps as high as 16% of men, have had sex at least once with a man. These
Two Hearts Beat as One the second leg of the War Tour, "Two Hearts Beat as One" began to follow "Surrender" and the two songs segued together. This transition survived to the Unforgettable Fire Tour. However, on the third leg of the Unforgettable Fire Tour, "Two Hearts Beat as One" was separated from "Surrender" and it was played less frequently. Its last tour appearance on 29 April 1985, in Atlanta. It made a further subsequent appearance when it was performed as part of the encore at a Lovetown Tour concert on 27 December 1989, in the Point Depot, Dublin. The song was not played live