Christopher Cross didn’t know it at the time, but when his massive hit “Sailing” blew through the speakers of car stereos and beach radios in the summer of 1980, it was charting the course for a niche musical genre to emerge 25 years into the future. Three Sheets to the Wind rides the current wave of yacht rock with smooth sets programmed with quiet-storm favorites. Former member of the Pavilion team Joseph Aaron returns to play the opening set on a stage he once helped operate.