On February 6, 2013, it was announced that Jay Park would be joining the cast of Saturday Night Live Korea, having previously hosted an episode in late 2012.
On Valentine's Day, February 14, Park released the song "Appetizer" alongside a music video.
The track was  produced by friend and fellow Art of Movement member, Cha Cha Malone.
On the first episode of Saturday Night Live Korea, Park garnered attention for his skit parodying the film Holiday with Korean actor and host of the episode, Choi Min-soo, and for his ad lib during a skit with Shin Dong-yup and Kim Seul-gi.
on February 25, Mizz Nina's single "Around the World" featuring Jay Park was officially released.
The song had been in the works since Park and Mizz Nina had performed at MTV World Stage Live in Malaysia 2012.
On February 28, Park received the "Musician of the Year" award at the 2013 Korean Music Awards, and his album New Breed was nominated in the "Best R&B and Soul album" category.

Park featured on the cover of the March edition of Men's Health Korea magazine, and the cover was subsequently chosen by staff as the best in the magazine's 7-year history.
On March 28, it was revealed that Park would be rejoining the cast of KBS' Immortal Songs 2 for a third time.

Following on from the success of the Jay Park's March edition of Men's Health Korea, the same cover was used for the April edition of Men's Health China, which was also the magazine's 10th anniversary edition, and included large promotional posters across the country.
In collaboration with Ustream Korea, Park held an official livestreamed event titled "Fan & Music Live" on April 2, and revealed the titles of the 3 songs from his upcoming single release; "Joah" (Korean: 좋아; Revised Romanization: Joha), "1 Hunnit" (Korean: 사실이야; Revised Romanization: Sasiriya), and "Welcome".
The title track, "Joah", was revealed to be a mellow feel-good song, and was produced by Cha Cha Malone, with instrumentals by provided Saturday Night Live Korea in-session band Common Ground, "1 Hunnit" was a  rap track featuring Dok2, and "Welcome" was provocative R&B track.
On April 10, Park released the single album "Joah", along with the music video for the title track.
The music video was filmed in Park's hometown of Seattle, and starred Korean actress Clara Lee.
On April 16, Park appeared on SBS' Hwasin – Controller of the Heart, the sequel of Strong Heart.
On Park's 26th birthday, April 25, Park released a music video for the song "Welcome".
On the April 27 episode of Immortal Songs 2, Park performed Lee Moon-sae's "Sunset Glow" with R&B singer and friend Crush.
Park's skit on the April 27 episode of Saturday Night Live with Gayoon of 4Minute gained attention for Park's character mistakenly saying inappropriate and sexual words in Korean, and featured a return of Park's in-character ad lib as the camera's failed to cut away at the end of the skit.

On May 3, it was revealed that Park would be participating on the soundtrack of M. Night Shyamalan's 2013 American science-fiction thriller film, After Earth, having been personally contacted by Will Smith and Jaden Smith.
Produced by Cha Cha Malone, the song "I Like 2 Party" was the ending theme for the Korean version of the film and was written and composed by Park himself.
On May 7, Park attended the After Earth red carpet premiere in Korea alongside Will and Jaden Smith.
On May 11, Immortal Songs 2's 100th episode, Park performed "Everyday Day With You" by Deulgukhwa, remixed with Park's latest single at the time, "Joah".
Later that month on May 30, a song titled "Rude Girl" by Kim Seul-gi and Jay Park for was released for Korean drama She is Wow.

In early July, Jay Park renewed his contract with SidusHQ after much public speculation of him signing with other record labels.
He was to perform at the Hennessy Artistry event early in July in Guangzhou, China, alongside B.o.
B, but the event was cancelled at the last moment due to technical difficulties.
On July 10, Park released a four-track EP, I Like 2 Party, alongside the music video for the title track, which was filmed in
On February 6, 2013, it was announced that Jay Park would be joining the cast of Saturday Night Live Korea, having previously hosted an episode in late 2012. On Valentine's Day, February 14, Park released the song "Appetizer" alongside a music video. The track was  produced by friend and fellow Art of Movement member, Cha Cha Malone. On the first episode of Saturday Night Live Korea, Park garnered attention for his skit parodying the film Holiday with Korean actor and host of the episode, Choi Min-soo, and for his ad lib during a skit with Shin Dong-yup and Kim Seul-gi. on February 25, Mizz Nina's single "Around the World" featuring Jay Park was officially released. The song had been in the works since Park and Mizz Nina had performed at MTV World Stage Live in Malaysia 2012. On February 28, Park received the "Musician of the Year" award at the 2013 Korean Music Awards, and his album New Breed was nominated in the "Best R&B and Soul album" category.
Park featured on the cover of the March edition of Men's Health Korea magazine, and the cover was subsequently chosen by staff as the best in the magazine's 7-year history. On March 28, it was revealed that Park would be rejoining the cast of KBS' Immortal Songs 2 for a third time.
Following on from the success of the Jay Park's March edition of Men's Health Korea, the same cover was used for the April edition of Men's Health China, which was also the magazine's 10th anniversary edition, and included large promotional posters across the country. In collaboration with Ustream Korea, Park held an official livestreamed event titled "Fan & Music Live" on April 2, and revealed the titles of the 3 songs from his upcoming single release; "Joah" (Korean: 좋아; Revised Romanization: Joha), "1 Hunnit" (Korean: 사실이야; Revised Romanization: Sasiriya), and "Welcome". The title track, "Joah", was revealed to be a mellow feel-good song, and was produced by Cha Cha Malone, with instrumentals by provided Saturday Night Live Korea in-session band Common Ground, "1 Hunnit" was a  rap track featuring Dok2, and "Welcome" was provocative R&B track. On April 10, Park released the single album "Joah", along with the music video for the title track. The music video was filmed in Park's hometown of Seattle, and starred Korean actress Clara Lee. On April 16, Park appeared on SBS' Hwasin – Controller of the Heart, the sequel of Strong Heart. On Park's 26th birthday, April 25, Park released a music video for the song "Welcome". On the April 27 episode of Immortal Songs 2, Park performed Lee Moon-sae's "Sunset Glow" with R&B singer and friend Crush. Park's skit on the April 27 episode of Saturday Night Live with Gayoon of 4Minute gained attention for Park's character mistakenly saying inappropriate and sexual words in Korean, and featured a return of Park's in-character ad lib as the camera's failed to cut away at the end of the skit.
On May 3, it was revealed that Park would be participating on the soundtrack of M. Night Shyamalan's 2013 American science-fiction thriller film, After Earth, having been personally contacted by Will Smith and Jaden Smith. Produced by Cha Cha Malone, the song "I Like 2 Party" was the ending theme for the Korean version of the film and was written and composed by Park himself. On May 7, Park attended the After Earth red carpet premiere in Korea alongside Will and Jaden Smith. On May 11, Immortal Songs 2's 100th episode, Park performed "Everyday Day With You" by Deulgukhwa, remixed with Park's latest single at the time, "Joah". Later that month on May 30, a song titled "Rude Girl" by Kim Seul-gi and Jay Park for was released for Korean drama She is Wow.
In early July, Jay Park renewed his contract with SidusHQ after much public speculation of him signing with other record labels. He was to perform at the Hennessy Artistry event early in July in Guangzhou, China, alongside B.o.B, but the event was cancelled at the last moment due to technical difficulties. On July 10, Park released a four-track EP, I Like 2 Party, alongside the music video for the title track, which was filmed in 
Jay Park