As a solo artist, Martin has written songs for a variety of acts including Embrace ("Gravity") and Jamelia ("See It in a Boy's Eyes", co-written with Coldplay producer Rik Simpson).
Ca artist solo, Martin a scris melodii pentru o varietate de acte, inclusiv Embrace („Gravity”) și Jamelia („See It in a Boy's Eyes”, coscris cu producătorul Rik Simpson).