Original: Punch Brothers are a bluegrass band consisting of Chris Thile ( mandolin ) , Gabe Witcher ( fiddle/violin ) , Noam Pikelny ( banjo ) , Chris Eldridge ( guitar ) , and Paul Kowert ( bass ) .
Simplified: Its members include Chris Thile ( mandolin ) , Gabe Witcher ( fiddle ) , Chris Eldridge ( guitar ) , Greg Garrison ( bass ) , and Noam Pikelny ( banjo ) .