Study	Reason for exclusion
Aragon 2002	Not a randomized controlled trial
Argstatter 2006	This study was included in the original review but is now excluded because not all participants had confirmed CHD
Bally 2003	Not all participants had confirmed CHD
Bonny 1983	Not a randomized controlled trial. Pretest‐posttest single group design
Byers 1997	Not a randomized controlled trial
Chang 2011	Not all participants had confirmed CHD
Claire 1986	Not a randomized controlled trial
Diamandi 2008	No standard care control group. Study compared music therapy with music listening
Dritsas 2006	Insufficient data available
Escher 1996	Insufficient data available
Garcia 2003	Not a randomized controlled trial
Ghetti 2011	Not all participants had confirmed CHD
Goertz 2011	Not all participants had confirmed CHD
Guzzetta 1989	This study was included in the original review but is now excluded because not all participants had confirmed CHD
Hamel 2001	Not all participants had confirmed CHD
Harris 1971	Not all participants had confirmed CHD
Hatem 2006	Interquartile ranges are reported instead of standard deviations. This suggests that the outcome distribution was severely skewed.
Ibhler 2011	Insufficient data available
Jiang 2008	The study intervention was a combination of relaxation training and music listening
MacNay 1995	Not a randomized controlled trial
Mandel 2007b	Not a randomized controlled trial
Micci 1984	Participants received diagnostic angiography procedure
Moradipanah 2009	Participants received diagnostic angiography procedure
Nilsson 2009b	Participants received diagnostic angiography procedure
Nilsson 2012	Participants received diagnostic angiography procedure
Okada 2009	Not a randomized controlled trial
Reisinger 1995	Not all participants had confirmed CHD
Richardson 2004	No standard care control group. Study compared music listening with music/imagery
Robichaud 1999	This study was included in the original review but is now excluded because not all participants had confirmed CHD
Schwartz 2002	No randomization used
Schwartz 2009	Group assignment was based on availability of space
Short 2011	Experimental group was not randomized and there was no control group
Slyfield 1992	Insufficient data
Taylor‐Piliae 2002	Not all participants had confirmed CHD
Thorgaard 2004	Unclear randomization methods. Poor data reporting
Twiss 2003	Lack of proper randomization method. In the thesis author explicitly states that only 4 CD players were available. If all CD players were in use, the next group of participants were placed in the control group
Vanderboom 2012	Participants received diagnostic cerebral angiography procedure
Watanabe 2011	Participants received diagnostic angiography procedure
Weeks 2011	Participants received diagnostic angiography procedure
Zimmerman 1988	This study was included in the original review but is now excluded because not all participants had confirmed CHD