They sure can!
Sofi Tsedaka is a Samaritan that converted to Judaism. For that, she was excommunicated from her family. If you take a look at the video, there is a part where she sings the first verse of Bereshit where you can hear the distinct Samaritan pronunciations. For more info, watch this interview of her speaking about her past as well as interesting footage of the Samaritans. She also sings in Arabic.