Initially a heavy metal frontman, Martin embraced his love for hip-hop music and became Marx in late 2015, and since then he has gained a reputation as one of the hardest working artists in the country. Since 2017 he has released numerous EPs and singles, as well as performing over 300 gigs in all areas of the country. Marx has rapped alongside legends such as Big Daddy Kane and KRS-One in cyphers and toured throughout the UK with the likes of Ghostface Killah, Obie Trice, Souls of Mischief, Mega Ran, Sumo Cyco, Swifty McVay of D12, Sammus, Bizarre Ride II The Pharcyde, Onyx, Beans on Toast, Klashnekoff, Shotty Horroh and many more.