Often, Gerhaher makes his presence felt not by turning up the volume as Fischer-Dieskau routinely did, even when no crescendo was indicated in the score but by fading away.
On the topic of software, we've got to hand it to Lenovo for understanding that digging through Win 7's menus with a finger can be more than frustrating -- its SimpleTap application provides shortcuts to system controls, which is helpful for quickly turning down the volume or launching a program or website.