Structure g3:  Repetition of structure g2 over half time-scale with overlay of 2nd half of g2

The figure below shows a scalogram of the structure g3 only.  (It was obtained by clipping the structure from the spectrogram in the same way as we clipped the structure g2 from the spectogram, as shown here).

                                                              g3: overlaying of shortened time-scale version of g2 Play audio
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