KBS because it contained the word “mute” (), which the network said could be degrading to people with disabilities. K.Will's agency, Starship Entertainment, said in a statement that the lyrics were meant to be a metaphor for people who can't express their feelings. In early December, K.Will performed at the 2009 Hallyu Music Festival in Sapporo and Tokyo, Japan. On December 25, he held his first solo concert in Seoul. 2010–2011: International expansion K.Will debuted in the United States at "THE THREE ROMANTICISTS" concert along with Kim Bum Soo and Yoo Seung-Chan on March 5, 2010. His single titled "Present" was released on March 10, 2010 and achieved #1 on many online music charts. K.Will embarked on his first solo concert in Japan, "K.WILL Live Concert with Band in Tokyo" in May 2010 and "K.WILL Live Concert with Band in Osaka" in July 2010. On the July 31, K.Will appeared on the music show "The MUZIT" as one of the main MCs along with upperclassmen singer Yoo Young Suk . On the first episode K.Will and Charice performed the duet "Endless Love". At the end of the year, K.Will's two-day Christmas concert was completely sold out. A year after his second album, K.Will released another digital single featuring Simon D and Hyorin of Sistar titled "Amazed" on January 21, 2011. The song rapidly reached to the top of the several music charts. Seven weeks later, K.Will's second mini album was released and he held a live showcase, performance, and released the music video for "My Heart is Beating" in which Lee Joon (MBLAQ) and IU starred. The title track of this album was an all-kill on music charts. Five years since his debut, K.Will finally won the Mutizen on SBS Inkigayo. K.Will successfully completed his third solo concert, "My Heart Is Beating" at the Olympic Park Hall on June 25, 2011. He has also participated several variety shows such as "We Got Married" with Kim Hyung Jun, the drama "Spy Myung Wol" and the reality show "Immortal Songs 2" nearly the end of the year. As per tradition, he ended the year with a 3-day Christmas concert. After joining KBS TV "Immortal Songs 2" in November 2011, K.Will left the show after winning three times, and set the new record, winning against 5 consecutive singers in the leaving episode on January 21, 2012. 2012–2016: The Third Album and collaborations On