Tarn has studied African dance for 18 years with teachers from Guinea, Senegal, Mali, Liberia, Ghana, Burkina Faso, Zimbabwe, Congo, Sierra Leone, The Gambia, South Africa, and the United States. Her teachers include Youssouf Koumbassa, Alassane Kane, Amma Anang, Marie Basse, Mabiba Baegne, Djeneba Sahko, Abdoulaye Sylla, Alseny Soumah, Tenefin Camara, Moustapha Bangoura, Rujeko Dumbutshena, Etienne Cakpo, Fara Tolno, Mark Joe Gbaryu, Kemoko Sano (choreographer) and members of Les Ballets Africains (National Ballet of Guinea). Tarn has been teaching community classes around Montana for the last 17 years, as well as directing and choreographing for the Unity Dance and Drum performance group in Missoula—creating hundreds of performances for dance concerts, festivals, presentations, First Night, Festival of the Dead, UM International Festival, and more. Tarn also teaches for The University of Montana Dance Program, as well as for special events such as the American College Dance Festival Northwest Regional Conference, Montana High School Thespian Convention, Montana Dance Arts Association workshops, and Missoula Folklore Society Dance Fridays. Tarn is the co-founder of Unity Dance and Drum, a non-profit organization dedicated to promoting education, performance, and workshops in African music and dance. Unity Dance and Drum is very active in local schools and organizations teaching culture, music, and dance to students, differently-abled people, and youth at risk. Unity Dance and Drum has been bringing various professional teachers of African music and dance for workshops and presentations in Missoula for the past 16 years.