Conversation so far:
What happened in 1991 with Point of Grace?
Point of Grace was formed at Ouachita Baptist University in Arkadelphia, Arkansas.
What were Point of Grace's early years?
Denise Masters, Terry Lang and Heather Floyd, who knew each other from Norman, Oklahoma, coincidentally found themselves at OBU, and got involved in music.
How long did Point of Grace perform at Ouachita Baptist University?
Were Point of Grace signed by a label?
Denise Masters, Terry Lang, and Hearther Floyd found that, after their 1992 Music in the Rockies performance, there was major record label interest and decided to sign with Word Records.
What year were Point of Grace signed?
Point of Grace signed in 1992.
Was there anything else you found interesting with Point of Grace in their early years?
Point of Grace sang in a vocal group called 'The Ouachitones,' which was made up of 14 girls.
What part did Point of Grace play in the Ouachitones?
Within The Ouachitones, Denise Masters, Terry Lang, and Hearther Floyd formed a trio. The girls were singing a cappella when told by an onlooker that they should do something together.

Question: When did this happen?
Self-contained rewrite: When were Point of Grace singing a cappella in a group called The Ouachitones?