Let It Go (EP)

Heo Young-saeng left SS501's former agency, DSP Media, in mid-2010 and signed with B2M Entertainment in October 2010, together with bandmate Kim Kyu-jong, to embark on his solo career.

[1] Both singers then held a joint fan meeting called Kyu Jong & Young Saeng Story In Seoul on December 4, which continued in Hong Kong, Japan, and other countries in Asia.

In April, B2M Entertainment announced that Heo's album release would be delayed due to an injury he sustained on his right hand during a dance practice.

[8] A photo teaser was also released, showing a pale-colored image of Heo wearing a white polo shirt and black tie, using a motion blur to give the impression of movement.

[18] During this time, Heo signed with Warner Music Taiwan, along with Kim Hyun-joong, another SS501 band member who had recently debuted as a solo artist with the release of Break Down.

[20] He also appeared in Japan in November alongside Kim Kyu-jong, who released a solo mini-album debut titled Turn Me On in September.

Produced by the Sweetune team, the album features rap by Hyuna of girl group 4Minute, Tae Wan, and Kim Kyu-jong of SS501.