R.E.M., the prolific rock band from Athens,...

R.E.M., the prolific rock band from Athens, Ga., comes to the Pacific Amphitheatre in Costa Mesa on Wednesday. Long a favorite with the college crowd, the band has recently made inroads into the mainstream with songs like “Orange Crush” and “Stand” from their album “Green.” Opening the show will be another band whose name is initials, NRBQ. The concert starts at 7:30 p.m.