“The Swedish synth-pop duo Icona Pop sound like the female half of Abba kicking Fernando downstairs in a drunken rage – or maybe Ace of Base if the sign they saw was flashing blue lights. Caroline Hjelt and Aino Jawo grabbed attention last summer with their Eurotrash club hit "I Love It," bragging about how miserable they were going to make that ex. But U.S. success hasn't mellowed these ladies or ”