What key details about ruby johnson  can be extracted from the following bio?  Bio: ruby johnson -lrb- 19 april 1936 - 4 july 1999 -rrb- was an american soul singer , best known for her recordings on the volt label in the late 1960s .
The answer to this question is:
- death place is lanham , maryland , united states- years active is c. 1958 -- 1974- caption is cover of ruby johnson compilation album- birth name is ruby johnson- label is v-tone , nebs , volt- death date is 4 july 1999- genre is r & b , soul- birth date is 19 april 1936- name is ruby johnson- background is solo_singer- image is ruby johnson.jpg- birth place is elizabeth city , north carolina , united states- occupation is singer