PHILADELPHIA (CBS) – The Philadelphia Opera took a break from rehearsals to join in on Sixers mania.

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Nineteen singers from Opera Philadelphia performed an acapella version of the Philadelphia 76ers’ anthem, “Here Come the Sixers.”

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The group donned their Sixers gear while they sang a version of the song in soprano, alto, tenor, and bass.

The singers were rehearsing for a new production of the opera “Carmen,” which runs April 27-May 6 at the Academy of Music.

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The Sixers will face the Miami Heat in the first round of playoffs Saturday night in South Philadelphia.

They are the first team to head into the playoffs on a 16-game winning streak.

The Flyers are also in the playoffs.