Last Monday, Swedish singer Lykke Li (MySpace) headlined an estrogen-filled night at the Hotel Cafe in Hollywood, that included local singer-songwriters Emily Wells (MySpace) and Jesca Hoop (MySpace) as well as New York-based Ida (MySpace). Li's performance immediately followed an in-store appearance and signing of her debut album Youth Novels at Amoeba Music just a few blocks away. And last Thursday, she performed "Breaking It Up" on Late Night With Conan O'Brien. As for......