Humanoid Musical Robots as Experimental Interfaces for Music-Evoked Emotion

• URL: http://arxiv.org/abs/2608.20433v1
• Date: Thu, 20 Aug 2026 03:23:36 GMT
• Title: Humanoid Musical Robots as Experimental Interfaces for Music-Evoked Emotion
• Abstract summary: We argue that musical humanoid robots are experimental interfaces for investigating music-evoked emotions.<n>We show that humanoid robots are well-suited as they enable parametric control of performance variables.<n>Our work positions musical humanoid robots as a methodological platform that enables future controlled investigations of music-evoked emotions.
• Score: 1.3750624267664158
• License: http://creativecommons.org/licenses/by/4.0/
• Abstract: Advances in technology have led to increasingly sophisticated musical humanoid robots. However, their use has largely been limited to performance and related research in human-robot interaction. In this position paper, we propose a novel perspective: musical humanoid robots as experimental interfaces for investigating music-evoked emotions. We argue that current research is constrained by paradigms relying on pre-recorded auditory stimuli, which fail to capture the multimodal, embodied, and interactive nature of real-world musical experience. Building on existing theories of music cognition and emotion, we identify mechanisms that require controlled manipulation of both acoustic and non-acoustic variables. We show that humanoid robots are well-suited as they enable parametric control of performance variables, reproducibility across trials, and the decoupling and recombination of auditory, visual, and interactive components. We illustrate the technical feasibility of this perspective through a case study of the WAseda Saxophonist Robot 5 (WAS-5), demonstrating reproducible control of acoustic and interaction variables that are prerequisites for future music-emotion experiments. Our work positions musical humanoid robots as a methodological platform that enables future controlled investigations of music-evoked emotions.

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