1 Welcome and Introduction from the Editors.- 2 Past: An overview of emotion as a parameter in music, definitions, and historical approaches.- 3 Present: Emotion in speech, singing, and sound effects.- 4 Present: Affectively-driven algorithmic composition.- 5 An auto-ethnographic approach to creating the emotional content of horror game soundtracking.- 6 Present: Brain Computer Music Interfacing (BCMI).- 7 When the Soundtrack is the Game: from Audio-games to Gaming the Music.- 8 Motion Controllers, Sound, and Music in Video Games.- 9 Future: Repurposing music according to individual preferences for personalized soundtracks.- 10 Sounding the Story: Music in Videogame Cutscenes.- 11 The Impact of Multichannel Game Audio on the Quality and Enjoyment of Player Experience.- 12 Concluding remarks.