Phase synchronization of instrumental music signals Sayan Mukherjee, Sanjay Kumar Palit, Santo Banerjee, M.R.K. Ariffin and D.K. Bhattacharya Eur. Phys. J. Special Topics, 223 8 (2014) 1561-1577 Published online: 21 April 2014 DOI: 10.1140/epjst/e2014-02145-7