(CNN) John Mayer is on the mend following an emergency appendectomy, his representative confirms to CNN.

Mayer was admitted into the hospital on Tuesday morning, forcing his band Dead & Company to postponed its December 5 concert in New Orleans.

On Wednesday, Mayer's representative said concerts scheduled for December 7 and 8 in Florida would also be postponed.

Mayer's representative said on Wednesday the singer was "in good spirits."

Dead & Company has been around since 2015. The group includes former Grateful Dead members Bob Weir, Mickey Hart, and Bill Kreutzmann.

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