Figure 4.4  First three measures of Gymnopedie I 

The spectrogram was created from a microphone recording of a brief portion of a YouTube video. Because this performance is part of an unknown repertoire, we shall examine instead a different spectrogram, obtained from the recorded repertoire of the renowned interpreter of Satie's piano works, Aldo Ciccolini. The musical aspects of this spectrogram are quite similar to the ones we described for  Figure 4.4. Here is the spectrogram:

The passage begins at 0:02.  You can listen to it on Spotify:

You can buy the recording from Amazon, iTunes, or Spotify.