Conversation so far:
Where did the members of Mary Mary get their start in music?
After meeting producer Warryn Campbell, a publishing deal was reached with music conglomerate EMI. This led to a series of their songs being on movie soundtracks.
Are there other siblings in Erica Monique Atkins and Trecina Evette Atkins' family?
Erica Monique Atkins and Trecina Evette Atkins have six other siblings: Alana Atkins, Shanta Atkins, Delisa Atkins, Maliea Atkins, Andre Lavelle Atkins, and Darrell Atkins.

Question: Have any of the other siblings collaborated with them musically?
Self-contained rewrite: Have any of Erica Monique Atkins and Trecina Evette Atkins' other siblings collaborated with them musically?