Mercy made her first professional musical appearances at private nightclubs in Nairobi back in the nineties. As her popularity grew and her confidence in her ability to sing increased, she decided to leave college and follow her passion. In 1997, Mercy joined Bruce Odhiambo and guitarist Gido Kibukosya in a band called Black Ice. Bruce Odhiambo produced a performance she did on a song written by the now defunct Five Alive band, then one of the most successful Kenyan RnB groups, called “African Woman”. That year, 1999, the song was chosen as the theme song for the first M-MET Face of Africa Model competition. Mercy then teamed up with Samawati Studio, a leading studio in Nairobi. At the end of 1998, Mercy released her first single “Sitaki”. Mercy Myra was part of the Divas of The Nile super group that featured four Kenyan female musicians. The other members were Suzzana Owiyo, Achieng Abura and Princess Jully. She moved to the United States in 2005, and consequently faded from Kenyan limelight. She resurfaced again in 2015 with reports in the local media of her impending divorce from her husband, Kenyan Hip-Hop musician Attitude (Malimo Chahonyo).