show called "Pre Star-1 Show. This show gives opportunities for new talented singers to introduce themselves, a platform for them to reach out to more fans. Every month about nine or ten teams will be introduced on Mnet.com and the team which receives most response from the netizens will be chosen onto the show. The chosen team/singer will also be given the chance to perform with popular stars. Wheesung's Pre-Show 1 Show’ started airing on April 24 on Mnet Cable Channel. Wheesung had participated in several Kpop concerts in Los Angeles, California, which include the Hollywood Bowl, and the Victory Concert. On June 19, 2009, Wheesung and Lena Park held a concert in Los Angeles Disney Concert Hall. After the concert, Wheesung planned to stay in Los Angeles for a month to work on his new album with producer Lee Hyun-do. The new album will go back to the r&b/hiphop style similar to "With Me" and "Incurable Disease". The new album is set to be released in August 2009. Wheesung also claimed in an interview that he wants to visit Pink's Hot Dogs while in LA. On June 27 and July 4, Wheesung performed at "Insomnia Concert" and club Le Cercle in LA. On July 11, he performed at the HALO nightclub in Hollywood. In June 2009, Wheesung changed his label again from Orange Shock to POP/UP Entertainment, which houses stars like JK Kim Dong Wook and group M to M. Wheesung has decided to change his label because former producer, Park Gun Tae, concentrated more on producing and working by himself. Wheesung gave thanks to Park Gun Tae for his growth as an artist and hopes to learn from him as a little brother, no longer as an artist under a producer. 2011–2016: YMC Entertainment and Military service In 2011, he transferred to Tae Jin Ah's YMC Entertainment. Soon after joining YMC Entertainment, he recruited female singer Ailee. On November 7, 2011, he enlisted for mandatory military service. He served 21 months of active service after completing five-week of basic training course at a boot camp in Nonsan, South Chungcheong Province. On July 11, 2012, Wheesung was granted a 9 nights, 10 days temporary leave from the army to undergo surgery for a herniated disc as well as other medical conditions such as bilateral shoulders dislocation, psoriasis and alopecia. August 9, 2013, Wheesung was discharged from the military. 2017–present: