 It was also during this time that Roberta Martin became ill. Martin retired the group for a short period of time in the mid 60's, though the group came together in 1968 to record an album titled "Praise God".Barrett-Campbell returned to the group for the session, as did Martin, and new group member, Catherine Austin.Martin had experienced a short rebound from her illness and was able to lead one song on the album "I Have Hope", which was written by Jessie Jimerson a.k.a.