Given a set of varied pitches all with the same duration, listen for figural groupings, then give varied durations to the pitches to bring out these groupings and to make a coherent melody.

• 给定一组不同的音高同样音符长度，聆听音形群组，然后给予这些音高不同的音符长度去组成这些群组，并且制造一个流畅的旋律。