Check out this article from Red Bull Music Academy on the history of collaborative instruments!
Collaborative Instruments: An illustrated history of remarkable instruments devised for two or more players https://daily.redbullmusicacademy.com/2018/07/collaborative-instruments
Check out this great new study led by Melbourne University into the effects of music on people with dementia.
Playable Streets are currently working with Maroondah City Council’s Arts and Cultural Development and Aged and Disability teams to create an 'instrument' that allows participants with dementia and their carers to make music together. More soon! Stay tuned!