Dileo C, Bradt J, Murphy K. Music for preoperative anxiety. Cochrane Database of Systematic Reviews 2008, Issue 1. Art. No.: CD006908. DOI: 10.1002/14651858.CD006908
http://summaries.cochrane.org/CD006908/music-for-preoperative-anxiety
To identify randomized controlled trials examining the effects of music therapy or music medicine interventions (as defined by the authors) on preoperative anxiety in surgical patients.
To compare the efficacy of participation in standard care combined with music therapy or music medicine interventions with standard care alone.
To compare the efficacy of patient-preferred music with researcher-selected music.
To compare the efficacy of different types of music interventions (music therapy versus music medicine).