 But sales began increasing a little in 2010, and they continued to improve the following year.In 2015, Steinway went back to the player piano industry from around the 1920s by introducing a digital player piano series called Spirio.The technology in the Spirio pianos was created in 2007 by Wayne Stahnke, an Austrian engineer who has previously made digital player piano systems for other piano companies, like Yamaha and Bösendorfer.