A Song You Might Hear At A Wedding (слэш)

Steve Rogers is the good-looking lead singer of a struggling band, while James Barnes is half of a dynamic duo, on the verge of the big-time. When Stark Industries is reduced to playing at a wedding in order to raise funds and profile, Steve tells himself that this is the very last time he's going to sleep with Bucky.
(Or, the one in which Tony rants, Bruce mediates and Clint has fantastic eye-sex with the best man.)