Chevalier Theatre welcomes the Little River Band for a long-awaited performance twice postponed because of COVID-19. Through the 1970s and ’80s, LRB enjoyed huge chart success with multi-platinum albums and chart-topping hits like “Reminiscing,” “Cool Change,” “Lonesome Loser,” “The Night Owl,” “Help Is on Its Way,” “Happy Anniversary,” “Man On Your Mind” and “The Other Guy.” Little River Band is Wayne Nelson, lead vocals/bass; Chris Marion, keyboards/vocals; Rich Herring, lead guitar/vocals; Ryan Ricks, drums/percussion/vocals; and Colin Whinnery, guitar/lead vocals. Tickets are $39 to $49 through the Chevalier Theatre website/Ticketmaster. Tickets also may be purchased, free of online ordering fees, at the Chevalier Theatre Box Office, which is open on Fridays and Saturdays from noon to 6 p.m., as well as two hours before every Chevalier Theatre show.