Part I Introduction: Sonic Interactions in Virtual Environments: the Egocentric Audio Perspective of the Digital Twin -- Part II Interactive and Immersive Audio: Procedural Modeling of Interactive Sound Sources in Virtual Reality -- Interactive and Immersive Auralization -- System-to-User and User-to-System Adaptations in Binaural Audio -- Audio Quality Assessment for Virtual Reality -- Part III Sonic Interactions: Spatial Design Considerations for Interactive Audio in Virtual Reality -- Embodied and Sonic Interactions in Virtual Environments: Tactics and Examplars -- Supporting Sonic Interaction in Creative, Shared Virtual Environments -- Spatial Audio Mixing in Virtual Reality -- Part IV Sonic Experiences: Audio in Multisensory Interactions: from Experiments to Experiences -- Immersion in Audiovisual Experiences -- Augmenting Sonic Experiences through Haptic Feedback -- From the Lab to the Stage: Practical Considerations on Designing Performances with Immersive Virtual Musical Instruments -- Index.