Days after a successful show at the 7th annual 'Asia Song Festival' in Seoul, photos of various performers posing together have been slowly unveiled. Recently, photos of girl group Rainbow posing cheerfully with Taiwanese star Joe Cheng have generated some interest. A representative of the group stated on October 27th, "On the 23rd, Rainbow happily greeted Joe Cheng backstage at the 7th Asia Song Festival, which was held at the Seoul Olympic Stadium." According to their representative, Rainbow went in search of Joe Cheng's waiting room and revealed that they were his fans. Joe Cheng greeted them individually and was impressed by their charms. Rainbow and Joe Cheng also exchanged autographed copies of their albums. Source: OSEN