Which is NOT one of the three steps of the musical semantics model in therapeutic music improvisation?

The step that is not part of the three steps of the musical semantics model in therapeutic music improvisation is focused on the idea of audience engagement. The musical semantics model primarily centers around how music can communicate and convey meaning through its structure and content, rather than emphasizing the interaction with an audience.

The development of music coherence refers to creating a sense of unity and structure within the musical improvisation, making the music more comprehensible and meaningful. The transformation of music into "language" expression involves translating musical elements into a form of communication that can evoke understanding or emotional response, allowing for deeper engagement with the therapeutic goals of the improvisation.

In contrast, while audience engagement is certainly an important aspect of many music therapy practices, it does not specifically align with the core processes outlined in the musical semantics model. The model is more focused on the internal and communicative aspects of music itself, rather than the dynamics between the performer and an audience.