OSN (Kao Erh-Hsuan) not only possesses lyrical rap and creative talents but also attracts many fans with his unique style and talent. From rap to love songs, hip-hop to high-energy tracks, his discography showcases his distinct personal charm. He predominantly writes in the style of lyrical love songs, crafting not only romantic ballads but also capturing the essence of 'men's youth.' His lyrics transcend mere words, serving as an expression of the soul.

Since forming the singing group "CHING G SQUAD" with Shuo Luo, ChrisFlow and RĒD° in 2018, OSN (Kao Erh-Hsuan) embarked on a musical journey. On January 22, 2019, he officially entered the music industry with the release of the single Coconut Tree. Even as a student, his passion for rap music was evident as he penned a graduation song Na Yi Ye Meng Xiang 那一页梦想 before completing his studies, marking the beginning of his musical odyssey.

Despite familial suggestions to pursue studies in the United States post-high school, he remained steadfast in his songwriting endeavours, emphasising that "youth with nowhere to turn must find an outlet, and rap has become that beacon of light." Through music, he aspires to fulfil his dreams.

In 2019, OSN (Kao Erh-Hsuan) released his debut fully composed album #osnrap, with the standout track Without You gaining widespread acclaim across the internet. This song not only earned him a nomination for the "Song of the Year Award" at the "31st Golden Melody Awards'' but also propelled his debut album #osnrap to sweep major mainstream award ceremonies from 2019 to 2020, garnering multiple accolades.

These include winning the "Best Asian Newcomer" award at the "MNET Asian Music Awards" (MAMA), a globally watched event, and nominated for the Best Newcomer Award at the Taiwan Golden Melody Awards. In 2023, OSN (Kao Erh-Hsuan) dominated Spotify's annual rankings, with both his albums #osnrap and #OSNRAPII-JOURNEY, which has been in the industry for four years, making it to Spotify's top ten "Taiwan's most streamed albums” list.

With remarkable creative energy, he announced plans for a third album next year. Despite the considerable expenses involved in album production, buoyed by the enthusiastic support of his fans, he resolved to "invest" in producing more quality music. During interactions with fans on the social platform Instagram, he hinted at a visit to Malaysia, which unfortunately did not materialize, leaving many fans disappointed and eagerly awaiting fulfillment of the promise in 2024. Nevertheless, his official announcement is expected to reignite the excitement among Malaysian fans, who will undoubtedly extend their enthusiastic support. Additionally, numerous fans lauded his captivating live performances, praising his ability to control the ambiance of the venue and frequently surprise attendees. They eagerly anticipate his forthcoming concert performances, anticipating an even more enthralling experience.

After accompanying OSN (Kao Erh-Hsuan) on his transformative journey through various realms, fans are invited to hit "CTRL+N" together and step into OSN's "new horizon".