A concert celebrating the Tricentennial of New Orleans on March 21, 2018 was recorded at St. Louis Cathedral. The Louisiana Philharmonic Orchestra was founded in September 1991 by musicians from the former New Orleans Symphony.

The Louisiana Philharmonic Orchestra (LPO) is an American orchestra based in New Orleans, Louisiana. It is the only full-time, professional orchestra in the Gulf South. The orchestra performs at the Orpheum Theater.

The Louisiana Philharmonic Orchestra's music director is Carlos Miguel Prieto. The LPO performs a full 36-week concert season featuring an array of Classics, Casual Classics, Family, Education, and Outreach concerts, as well as Special Events. The members of the LPO are home-based in New Orleans and serve the Gulf South region. LPO is the longest-standing musician-governed and collaboratively operated professional symphony in the United States.