This book is an edited collection of papers presented at the sixth biennial symposium of the ICTM Study Group on Music and Dance in Southeastern Europe that was held in the town of Sinj, Croatia in April 2018. The 24 papers, including two panels, are grouped under the headings of the themes of this symposium: 1) dance, songs, music and migrations in, out and within Southeastern Europe; 2) carnivals and masquerades in southeastern Europe, and 3) music, dance and sustainable development in Southeastern Europe.