-noBeam = #(make-music 'BeamForbidEvent)
-pipeSymbol = #(make-music 'BarCheck)
-bracketOpenSymbol = #(make-span-event 'BeamEvent START)
-bracketCloseSymbol = #(make-span-event 'BeamEvent STOP)
-tildeSymbol = #(make-music 'TieEvent)
-parenthesisOpenSymbol = #(make-span-event 'SlurEvent START)
-parenthesisCloseSymbol = #(make-span-event 'SlurEvent STOP)
-escapedExclamationSymbol = #(make-span-event 'CrescendoEvent STOP)
-escapedParenthesisOpenSymbol = #(make-span-event 'PhrasingSlurEvent START)
-escapedParenthesisCloseSymbol = #(make-span-event 'PhrasingSlurEvent STOP)
-escapedBiggerSymbol = #(make-span-event 'DecrescendoEvent START)
-escapedSmallerSymbol = #(make-span-event 'CrescendoEvent START)
-
-
-#(define fretboard-table (make-hash-table 100))
-#(define chord-shape-table (make-hash-table 100))
+noBeam = #(make-music 'BeamForbidEvent)
+"|" = #(make-music 'BarCheck)
+"[" = #(make-span-event 'BeamEvent START)
+"]" = #(make-span-event 'BeamEvent STOP)
+"~" = #(make-music 'TieEvent)
+"(" = #(make-span-event 'SlurEvent START)
+")" = #(make-span-event 'SlurEvent STOP)
+"\\!" = #(make-span-event 'CrescendoEvent STOP)
+"\\(" = #(make-span-event 'PhrasingSlurEvent START)
+"\\)" = #(make-span-event 'PhrasingSlurEvent STOP)
+"\\>" = #(make-span-event 'DecrescendoEvent START)
+"\\<" = #(make-span-event 'CrescendoEvent START)
+"\\[" = #(make-span-event 'LigatureEvent START)
+"\\]" = #(make-span-event 'LigatureEvent STOP)
+"\\~" = #(make-music 'PesOrFlexaEvent)
+"\\\\" = #(make-music 'VoiceSeparator)
+