Video Example 2:
Novices simply string individual motions together (having played for only one year, this violinist has only minimal larger groupings; the first few seconds give the idea):
http://www.youtube.com/watch?v=rMtBqtMJ5LU
Only a year or so later, however, hierarchical organization is aready much more developed:
http://www.youtube.com/watch?v=EsPsgQNZ7KM&list=UUCCtFDgVafBzkLKeALBRmYA&index=3
http://www.youtube.com/watch?v=t-qgBIPEwbw&list=UUCCtFDgVafBzkLKeALBRmYA&index=1