Research

Research papers often refer to diverse music interventions (e.g. music medicine or music therapy ).
Make sure you know the difference between music therapy and therapeutic music.

When examining research papers, always mind the PICO Model:
Patient, Intervention, Comparison, Outcome

Cochrane Systematic Reviews and Meta-Analysis related to music interventions:

Music‐based therapeutic interventions for people with dementia
Jenny T van der Steen, Hanneke JA Smaling, Johannes C van der Wouden, Manon S Bruinsma, Rob JPM Scholten, Annemiek C Vink - 2018
Music-Induced Analgesia in Chronic Pain Conditions: A Systematic Review and Meta-Analysis
Garza-Villarreal EA, Pando V, Vuust P, Parsons C. - 2017
Music Therapy for Preterm Infants and Their Parents: A Meta-Analysis
Bieleninik Ł, Ghetti C, Gold C. - 2016
Music interventions for improving psychological and physical outcomes in cancer patients
Joke Bradt, Cheryl Dileo, Lucanne Magill, Aaron Teague - 2016
Music interventions for mechanically ventilated patients
J. Bradt, C. Dileo - 2014

Research papers specifically related to therapeutic harp or music thanatology interventions:

Family members' views on the benefits of harp music vigils for terminally-ill or dying loved ones
Ganzini L, Rakoski A, Cohn S, Mularski RA. - 2015
Live music is beneficial to preterm infants in the neonatal intensive care unit environment
Arnon, S., Bauer, S., Dolfin, T., Forman, L., Litmanovitz, I., Regev, R., and Shapsa, A. June - 2006
Music thanatology: prescriptive harp music as palliative care for the dying patient
Caserta, M., Freeman, L., and Lund, D.- 2005
Integrating complementary and alternative medicine (CAM) into standard hospice and palliative care
Lewis, C.R., et al. - 2003