Mary Lawrence AKA M-Law has been playing trumpet since age 12. During high school Mary Lawrence played in her school marching, concert and jazz band as well as at church.

M-Law has a Bachelor's degree in Jazz Trumpet Performance from Virginia Commonwealth University in Richmond VA. During her time in Richmond M-Law began freelancing with many different bands around the city.

After graduating M-Law started her own band called M-Law & the Prophets of Jazz. M-Law has performed at the Smithsonian, the Filmore, the Virginia Museum of Fine Arts, Bethesda Blues and Jazz, and Twins. M-Law has shared the stage with acts to include Carolyn Malachi, members of P-Funk, and most recently, Kenny Lattimore.