Who is the black female gospel singer who uses the phrase if I don't say a word can I just wave my hands?

The black female gospel singer you are referring to is Tamela Mann. She is known for her powerful voice and uplifting music, and the phrase "If I don't say a Word, can I just wave my hands?" is from her song "Take Me to the King." Mann has made a significant impact in the Gospel Music genre with her heartfelt performances and inspiring lyrics.