From Touch to Technology: The Design and Educational Application of a Tactile Feedback Device for Piano Teaching

In traditional piano instruction, teachers often use physical touch to guide students. When lessons move to digital formats, that form of guidance disappears and instruction relies entirely on verbal and visual cues. Although various tactile technologies have attempted to replicate physical guidance in experimental or therapeutic contexts, they have not yet been tested in everyday piano teaching. This study introduces TacTone, a prototype wearable vibration device developed specifically for this study to deliver real-time tactile cues during piano lessons, and examines its impact on technical correction and teacher-to-student communication. One adult beginner participated in six in-person lessons: three with TacTone alternating with three with no device. Post-lesson surveys, observational notes from videorecorded lessons, and a final interview were used to compare student and teacher responses across conditions. When the device was used, errors were corrected more quickly by the student and with less reliance on repeated verbal explanation from the teacher. The participant reported that vibration cues provided immediate clarity regarding which finger to adjust and when to act, and that the sensation of how to respond remained even after the cue had stopped. These findings suggest that tactile cues can reinforce physical understanding in ways verbal cues alone cannot, supporting more efficient correction and sustained accuracy in execution. Despite its limited scale, this study offers initial suggestions that a wearable feedback device like TacTone can restore the role of touch in technology-mediated piano instruction by providing a direct and applicable form of feedback without disrupting the flow of instruction.