Rainbow members Ji Sook and Yoon Hye will be taking over Shindong's�radio show 'Shim Shim Tapa' while he's away on vacation. Ji Sook and Yoon Hye will be hosting the show on October 25th through�MBC Standard FM. Commenting on their first radio DJ stint, the girls said,�"Since it's the first time for either of us to become a main DJ, there is some pressure, however we'll do our best and try really hard to make up for Shindong's absence." In related news, Rainbow is currently preparing for the release of their 2nd Japanese single "Maha", which will be coming out this December. The members are said to be practicing their choreography in addition to studying Japanese. Source + Photo: My Daily via Nate