Question: Billy Greer, is the current bass guitarist for the band Kansas, he also was a member of the brief 2009 Kansas side project "Native Window" along with David Ragsdale, he has been the violinist for which band, from 1991 to 1997 and from 2006 to the present?
Related documents: [0]  [DOC] David Lasater Ragsdale, (born April 3, 1958) has been the violinist for Kansas from 1991 to 1997 and from 2006 to the present. He started violin at the age of three. After studies with classical teachers and a stint at the Tulsa Philharmonic, Ragsdale's violinist duties took him out of the largely classical area and into rock and roll. [END] 
[1]  [DOC] Billy Greer (born January 26, 1952) is the current bass guitarist for the band Kansas. He joined the band in 1985 in time for the Power album. He had previously worked with keyboardist/vocalist Steve Walsh in the band Streets, and works with his own band Seventh Key when not performing with Kansas. He also was a member of the brief 2009 Kansas side project "Native Window" along with Kansas members Phil Ehart, Richard Williams, and David Ragsdale. [END] 
Answer: 
Kansas
Kansas