With the West Coast Highway Music Festival for the MBC 'Infinity Challenge' approaching soon, it's natural for fans to be curious about each of the members' performances. On June 28th, singer PSY teased fans with a picture, uploaded through his Me2Day. He wrote, "This is Chul-PSY (Noh Hong Chul+ PSY)'s 'Please Shake'! D-4! It is sort of weird to say it with my own mouth, but this song is the best!" and uploaded a picture of their performance. In the picture, fans are able to see PSY and Noh Hong Chul with their hands raised high in the air, clearly enjoying their time on stage. Netizens who saw this picture commented, "I am looking forward to the Chul-PSY performance," "I could feel the energy just from the picture," "Chul-PSY? I really like the name!" You can catch the airing of the MBC 'Infinity Challenge' concert on July 2nd! Source: TV Daily