Sofi Tukker, courtesy Shervin Lainez. SAN FRANCISCO — Their biggest song may be sung in Portuguese, with more on the way in that language, but Sophie Hawley-Weld and Tucker Halpern of New York dance pop duo Sofi Tukker pull inspiration from whatever city or country they happen to be…

Photos: Nick DeCicco TREASURE ISLAND — During a waterlogged weekend at the final Treasure Island Music Festival, New York-based house and dance pop duo Sofi Tukker was one of the few artists who managed to avoid the rain and winds, playing hours before Mother Nature swooped in. That gave Sophie Hawley-Weld…