I believe that all of the options are correct - if you can choose I, II, and III, then I'd choose that.
All of those lines above show some kind of exhilarated, happy, and satisfied mood. You can see that this person is really enjoying playing that instrument, or dancing to the music, and that everyone is captivated by her.
The effect that this style of long sentence given above achieves is a run-on effect. A run-on sentence consists of two or more independent clauses that are punctuated correctly and does not use the proper conjunctions. As a result, the sentence becomes confusing. There is a particular rule that should be followed in creating a sentence. It should contain 20-30 words only and that 50 words or more should be avoided as possible.
