The soon-to-debut-onstage girl group SISTAR's lead vocal, Hyorin (Kim Hyo Jung),�is already garnering attention from netizens for her audition video. Recently, a video of Hyorin's audition has been revealed through an online video site. For her audition, Hyorin sang Christina Aguilera's Hurt. Since she was auditioning, she sang without a microphone, but the power in her voice could still be heard. Viewers who have come upon this video commented, "Is this really a live audition that was sung without a microphone," and�"I'm getting goosebumps." The actual�video has been gaining popularity amongst netizens�and has already gained 100,000 views. SISTAR has�just finished up recording for their album and�is planning to have their official single debut in May.