Now through 11:30am on Friday, April 12, 2019, tune into Highway 98.9 at approximately 11:20 each weekday and listen for the cue to call 318-320-ROCK (7625).  Be the correct caller and win two free tickets to the Doobie Brothers concert on Friday, April 20th, at the Horseshoe Casino Riverdome in Bossier City.  One pair of tickets will be given away each day. Approximate prize value:  $155.  Must be 21 or over to win.  Tickets must be picked up by 5:00pm on Friday, March 19th, at the Highway 98.9 studios at 6341 Westport Avenue, Shreveport, LA, 71129.  For complete contest rules, click here.