Chapter 4. Level 1, Spectromorphology Figure 4.21 Spectromorphological analysis of Incidences/resonances, Bernard Parmegiani. Musical extract used courtesy of INA/GRM (275 762). Figure 4.22 Spectromorphological analysis of Directions, Rolf Enström. Musical extract used courtesy of Caprice Records (CAP 21374). Figure 4.23 Spectromorphological analysis of Luscinia megarhynchos.