We are delighted to announce a call for papers for the 4th International Conference on Tone and Intonation (TAI 2027), which will be held in Hong Kong at the Chinese University of Hong Kong on 27-29 May 2027. The TAI conference originated from the International Symposium on Tonal Aspects of Languages (TAL) and the Conference on Tone and Intonation in Europe (TIE). TAI 2027 aims to provide an interdisciplinary forum for distinguished scholars, experts, and practitioners to exchange ideas and d