Craig Scott Smart is a Canadian singer songwriter from Vancouver, British Columbia, Canada. He was part of D-Cru and their lead vocalist and in the early 2000s, he joined The Underdog Project, a German-Belgian dance group as a vocalist and songwriter. He has written and co-written a number of songs that have become international hits. He also used the alter ego name Yardi Don for some releases particularly with Belgian producer DJ F.R.A.N.K., a co-member in The Underdog Project.