I don't know if it was all those Ikea fish eggs I consumed this weekend, but I was definitely ready to be in a Swedish frame of mind Monday night at the El Rey, where Anna Ternheim and Lykke Li opened for El Perro Del Mar. All three artists are representing a new wave of Scandinavian indie pop, with danceable rhythms, melancholic lyrics, and a moody, sensual sound that feels like a cold, fresh breeze......