The Phantom could show up. Elvis, too. And Lady MacBeth surely will be there, when Opéra Louisiane stages its second grand ball fundraiser on Friday at the City Club.

This year’s event is different, because it’s a masquerade.

“We had our first ball in the spring last season as a way to raise the rest of the funds we needed for our production of ‘Madam Butterfly,’ ” Executive Director Leanne Clement said. “It was a success, and we decided to have this fundraiser every year, but we agreed the fall would be a better time for it because we were competing with so many Mardi Gras balls last year.”

Besides, the company’s artistic director, Michael Borowitz, loves Halloween.

“It’s his favorite time of year — his favorite holiday,” Clement said. “We’ve chosen a ‘MacBeth’ theme, and Michael has arranged for a performance of all the spooky parts from Verdi’s opera ‘MacBeth.’ ”

Soprano Cassandra Black will be the star of the show as Lady MacBeth, while members of the Opéra Louisiane Resident Arts Quartet play the witches.

Borowitz will accompany on the piano for Black’s “MacBeth” performance, and he’s also chosen dance music for the Opéra Louisiane Instrumental Quartet to play during the ball.

The room will be filled with a mingling of masked characters along the way.

“We want people to be comfortable, so we’re telling everyone to come dressed in the costume they like,” Clement said. “If they want to come dressed as Elvis, that’s great.”

The evening also will offer a live auction, with Clement and Borowitz as the auctioneers.

The big-ticket item will be an instant wine cellar from Keife and Co., of New Orleans.