The following article from Journal of Clinical Nursing, ‘A randomised controlled study of the effects of music on sleep quality in older people’ by Moon Fai Chan published online in Wiley Online Library on 7 February 2011 and in Volume 20, pp. 979–987, has been retracted by agreement between the author, the Journal Editor-in-Chief, Roger Watson, and Blackwell Publishing Ltd. The retraction has been agreed due to substantial overlap with Chan MF, Chan EA, Mok E (2010) Effects of music on depression and sleep quality in elderly people: a randomised controlled trial, published in Complementary Therapies in Medicine 18, 150–159.