Added arpeggios and cyclic zip operation

examples/music21/music21_example.py

@@ -0,0 +1,8 @@
+from music21 import *
+from sardine import *
+from ziffers import *
+
+
+s = to_music21('(i v vi vii^dim)@(q0 e2 s1 012)',time="4/4")
+
+s.show('midi')

examples/music21/music21_example_2.py

@@ -2,12 +2,6 @@ from music21 import *
 from sardine import *
 from ziffers import *
 
-
-s = to_music21('i v vi vii^dim',time="4/4")
-
-s.show()
-s.show('midi')
-
 parsed = zparse('1 2 qr e 124')
 s2 = to_music21(parsed,time="4/4")