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Singer Barry Manilow on Thursday cancelled the opening night and three other performances of his Broadway comeback run after coming down with bronchitis, according to Manilow’s website.

The cancellations threaten to upend the Could It Be Magic? singer’s return to Broadway following an absence of more than two decades.

The concerts, which had been slated between Thursday and tomorrow, will be made up in February and March, his website said. Manilow, 69, will try to perform on Tuesday, the date of the next scheduled show.

Manilow cancelled two preview shows earlier in the week because of the illness, after which his website promised the singer would be ready for opening night “come hell or high water”.

“It turns out the only thing worse than hell and high water is bronchitis,” Manilow’s website said of the cancel-lations. “Barry is deeply sorry to disappoint his fans and is doing every-thing he can to ensure himself and them of a speedy recovery.”

Manilow has signed on for a 25-show run at the St James Theatre in New York. The native New Yorker typically performs long-running shows at Las Vegas hotels.