[Retracted] Interactive Music Teaching Method Based on Big Data and Cloud Computing

<div>The number of students in the 4 classes who answered the teacher’s question. (a) Number of questions answered by classes 1 and 2; (b) number of questions answered by classes 3 and 4.</div>

Mobile Information Systems

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Figure 5

Figure 5: [Retracted] Interactive Music Teaching Method Based on Big Data and Cloud Computing 