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. 2014 Sep 26;9(9):e108841. doi: 10.1371/journal.pone.0108841

Figure 1. Representative spectrograms of rhythmic and arrhythmic song.

Figure 1

Images depict 7.5 seconds of representative rhythmic and arrhythmic song stimuli. They were generated from the same natural song. Introductory notes are indicated with I. A, B, and C indicate 3 distinct notes that compose a motif. Each image contains two bouts of song.