Following the first broadcast of "Secret Garden" on November 13th, viewers were left excited about this new drama as well as its OST. The main theme song, "That Woman" by Baek Ji Young was played during 'Kim Joo Won' (Hyun Bin) and 'Lime' (Ha Ji Won)'s love story line, and it was agreed that it was quite the infectious track. Yet viewers were curious to know who sang the theme song that played during Ha Ji Won's action scene, as well as during the end credits. Responding to the high interest, producers from the OST stated, "The ending theme song is titled 'Appear,' and it is sung by Kim Bum Soo. The song was produced by Yoon Il Sang and wrote by Kim Lee Na, and it will be released on November 18th." For those of you who weren't able to see the episode, check out a sample of�Baek Ji Young's "That Woman" below. We'll update with Kim Bum Soo's track as soon as it finds its way online! Source: Newsen Photo: Secret Garden