His first major hit, "Your Love" with DJ Kid Kenobi, reached #7 on the ARIA club charts. He has since performed alongside American singer-songwriter Ingrid Michaelson and Perth-based musician and producer Ta-Ku on Triple J's popular segment Like a Version and Spotify Live Sessions. He is currently collaborating with artists such as Allday, Kid Kenobi, Hiatus Kaiyote singer, Jace Excel and Abbe May.
"Let It Fall" was the first track off of Flach's debut EP, #LDKS. It includes collaborations with Australian beat-maker Tomasz Charuk and the vocals of lead singer Kearna Murray from Australian hip-hop outfit Peaks and the Japanese rapping poetry of DAG FORCE. Featured on the music blog acid ted it was labeled as, "classy downtempo hip hop. A delightfully melodic air to the track, with the right amount of swing."