#(set! paper-alist (cons '("kindle" . (cons (* 210 mm) (* 130 mm)))
                           paper-alist))
  #(set-default-paper-size "kindle")

  klein = \with {
    % fontSize = #-4
    % \override StaffSymbol #'staff-space = #(magstep -4)
    % \override StaffSymbol #'thickness   = #(magstep -4)
  }