_:vb50845079 _:vb50845080 . _:vb50844136 . _:vb50844136 . _:vb50845081 . "1" . _:vb50845079 . _:vb50844134 . _:vb50845081 . _:vb50845079 . _:vb50409668 . "primary instrument" . _:vb50845079 . _:vb50409669 . _:vb50409667 _:vb50409669 . . _:vb50409669 . . _:vb50844134 . . "testing" . _:vb50844135 . _:vb50844136 . _:vb50409668 . _:vb50409668 _:vb50409667 . _:vb50844135 _:vb50844136 . _:vb50844135 . _:vb50844134 . . "Indicates that an artist primarily plays an instrument, or that a member was primarily playing a particular instrument during his membership" . _:vb50844134 _:vb50844135 . _:vb50845080 . _:vb50409667 . _:vb50409668 . _:vb50409669 . . _:vb50409667 . _:vb50845081 . . _:vb50845080 _:vb50845081 . _:vb50845080 .