Put the following compositional innovations in order from earliest to latest

1. organum
2.the guidonian hand
3. polyphony
4. motet

The compositional innovations are referred to styles or forms  of music during last centuries and today they are studied by great musicians.

The order from earliest to latest is the next:

1. The Guidonian Hand. It comes from around 416 to XV century.

2. Polyphony. Its origin is from  IX approximately.

3. Organum. The historian put it around XI and XII.

4. Motet. At century XII.

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