In 2012, Kyson gained attention for his remix of Bon Iver's "Holocene" on 4AD Records.[6] On 29 October 2012 Liew released his "Blackstone EP" on Moodgadget Recordings.[7] He was signed by Friends of Friends Records and released his first studio album The Water's Way.[8][9]
In 2014, Liew collaborated with Detroit-based musician Shigeto on the track "Water Collides".[10]
In 2015, Kyson, alongside Italian musician and producer Matteo Pavesi, co-produced the debut album of singer-songwriter Alice Phoebe Lou, which was released on 13 May 2016.[11] The same year, Liew founded the art and music collective Average Negative with musical collaborator Chris Hill.[12]
In April 2016, Liew released his second album, A Book of Flying, with Friends of Friends Recordings.[5][13]
In 2017, he collaborated with Australian artist Amber Cronin to create the spatial installation "Sawaru" at the Nexus Gallery in Adelaide, Australia.[14][15]
In 2018, Kyson released a series of AA singles, "Every High / Clear Air" and "Have My Back / Forest Green", in collaboration with B3SCI Records and Majestic Casual Records. The two releases were also part of a limited edition white vinyl record, with artwork by B.D. Graft.[16] Pitchfork has described Liew's style as, "combin[ing] soft touches of electronic keys and rickety, pinprick rhythms, with his half-whispered lyrics and drifting melodies wrapped in sheets of textural field recordings."[7] Liew has also been described as having an, "enigmatic sound, a blend of indie, acoustic and electronic music."[17]
In 2020, Kyson released his third studio album, Kyson, through B3SCI Records. The album adopted a more minimal, songwriting-oriented style and was supported by a limited vinyl release.[18]
In 2021, Kyson worked with German electronic producer Parra for Cuva and British guitarist Beau Diako on the track "Ordel," which appeared on Parra for Cuva's album Juno.[19] That year, Kyson’s music was included in the Hermès Spring/Summer 2022 menswear runway show designed by Véronique Nichanian, presented during Paris Fashion Week.[20]
In 2022, Kyson independently released Lucky Notes, a 14-track album composed and produced in Berlin, Germany. The project continued his exploration of analog instrumentation and vocal-forward production and was distributed digitally and on cassette through B3SCI Records.[21][22]
Kyson co-produced the track "More M's" on Her Loss, the collaborative album by Drake and 21 Savage.[23] The album debuted at number one on the Billboard 200, and Her Loss was later nominated for a Grammy Award in 2023, earning Kyson his first nomination as a producer.[24][25]
In 2023, Kyson contributed production to In Pieces, the debut solo album by Chlöe Bailey, released by Columbia Records.[26]