There have been a number of articles published about certified music practitioners, music therapy, and related topics. Here are some links:

• Hitting the Right Notes to Aid the Ill
• Music Soothes the Rhythms of Life
• Music Therapy May Help Ease Pain
• Clarinetherapy
• A High Note for Elderly
• Music Program Soothes Patients
• Music is a Key to Healing
• Harpist Strikes Positive Chord With Patients at Longwood Hospital
• Soothing Sounds: Critically Ill Patients Benefit from Music
• Music Therapy Improves Well-Being of Very Ill Patients
• Easing Their Burden
• Therapeutic Music and Patient Care
• Healing Team Member Touches Hearts With Strings
• Healing Music
• Fulfilling Path Emerges From Personal Pain
• Susan Wright Plays Music for the Newborn and the Dying
• Take One Harpist
• David's Harp: Bringing Healing Through Music
• Live Harp Music Gives Joy, Soothes Nursing Home Residents
• Harper Plays Music to Aid the Ill, Dying

Read articles Linda Grobman wrote about therapeutic music:

• Reflections on My MHTP Internship
• Music and Social Work: The Connection
  

Linda Grobman's therapeutic music work was featured in a January 2010 article in the Harrisburg Patriot News:

•  Therapeutic Music Relaxes, Comforts Patients

Research has shown that live music has effects such as lowering blood pressure, heart rate, and respiratory rate.  Here are some studies about the effects of live music and music therapy:

• The Effect of Live Classical Piano Music on the Vital Signs of Patients Undergoing Ophthalmic Surgery

• The Effect of Music Therapy on Patients' Perception and Manifestation of Pain, Anxiety, and Patient Satisfaction
• Live Music is Beneficial to Preterm Infants in the Neonatal Intensive Care Unit Environment
• Music Therapy in Hospice and Palliative Care: A Review of the Empirical Data
  

And here are some compilations of research citations:

• Healing Music Research Study Citations
• Professional Journal Articles
• The Benefits of Live Therapeutic Music in Health Care: Selected Research Abstracts (MHTP)

Also, music practitioners have been featured on TV/video:

• Bedside Notes
• Harp Music May Have Healing Benefits
• Musical Therapy at Hospice of Wichita
• Musical House Calls at Stanford Hospital
• Flute Therapy