Opera lovers will be treated to an African American Spiritual performance as a group of four visiting doctors of music take to the City Hall stage on tomorrow at 7 p.m.

Ensemble Jubilate from Atlanta Georgia features baritone Dr. Oliver Greene Jr. who is the professor of music at Georgia State University; Dr. Sharon Willis is the group's mezzo-soprano and she is in charge of the chorus at Morris Brown College.

She is also classical composer and has created several operas including one based on the life and marriage of Alonzo Herndon (a millionaire in Atlanta who was born into slavery).

Dr. Kimberly Hall is a medical doctor specialising in internal medicine.

She is the group's soprano and is married to tenor Oliver Suing.

Also joining the quartet is concert pianist Alonzo Alexander who is the professor of music at Morris Brown College.

Ensemble Jubilate formed in 1999 and have performed extensively in their Atlanta home as well as in Rome, Italy.

In 1999 they sang a mass and performed a concert at the Pantheon.

Tomorrow's City Hall concert will also feature Bermudian Deyone Douglas.