Suffering from acute laryngitis, Neil Diamond [ tickets ] has rescheduled a pair of upcoming concerts after the singer's doctors told him to rest his voice.

Diamond's show in Green Bay, WI--originally scheduled for tomorrow night (8/27)--has been moved to Sept. 12, while Friday's (8/29) show in St. Louis has been moved to Sept. 10. Tickets for both shows will be honored on the rescheduled dates, and ticket holders unable to accommodate the postponements should contact the affected venues for refunds.

The singer's throat problems seemed to first surface last night in Columbus, OH, where Diamond's "pipes coughed up words to familiar songs in sounds that can be described only as painful," according to a review in the Columbus Dispatch. The performer, who launched the tour in July, currently has dates scheduled through the end of October. The complete schedule is included below.

Diamond is touring in support of his latest Rick Rubin-produced album, "Home Before Dark," which hit stores in May. His current tour, however, touches on songs from throughout his long career.

"I do a bunch of songs from the new album, and a couple from the '12 Songs' album, but I don't do them quite as spare, or as sparse as they are on the album, maybe with the exception of 'Home Before Dark,'" he told LiveDaily recently.

"I've put a little Latin pizzazz into 'Pretty Amazing Grace,' which I like a lot and it's fun to do. The other song is 'Don't Go There.' It's pretty much as we do in the album--they seem to fit very well. The audience responds very well to them and I like doing them."

"Home After Dark" became Diamond's first-ever No. 1 album in the US earlier this year, topping the Billboard 200 chart with sales of more than 146,000 copies in its first week. This made Diamond, at age 67, the oldest performer to ever have a number one record.

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