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Zia sang the title track "Star Dust", which is produced by Yoon Il Sang�and written by Choi Eun Ha, the songwriter behind Lee Eun Mi's hit song "I Have A Lover". Gummy cheered on her labelmate Jaejoong's character in the drama�with "Nowhere to Go", which is the work of Wheesung and Moon Ha Ga.

Take a listen to their beautifully husky voices!