Product Placement Blog ➞ Audio Equipment & ElectronicsSteinway & Sons Pianos Used by Mahershala Ali in Green Book (2018)February 20, 2019 Sergey Movie Hi! On Wednesday, February 20, I analyzed a Movie and product placement was spotted: Steinway & Sons Pianos Used by Mahershala Ali in Green Book (2018).Here are 6 image(s) below: