unfinished
nocheck
notime


draw save
  headbottom origin
enddraw

draw connect
  origin sub 3 add dup 3 add 2 div 
  3 1 roll exch 2 sub moveto
  -12 lineto
  3 headbottom 2 sub lineto
  stroke  
enddraw


[stave 1 treble 1]
b
[draw save]
e c'-g-a-b-
[draw connect]
ag |