I don't think anything can possibly sound exactly like David Gilmour (Pink Floyd) and his wailing guitar, but this amazing app GeoShred(Wizdom Music and moFORTE) has made it closely possible. This video, originally posted on Facebook, https://www.facebook.com/kashyapiyengarmusic/videos/vb.146439042790/10153228905117791 received over 800 shares and 50K views in a matter of a few days.