Automatic Melody Harmonization with Triad Chords: A Comparative Study. - Yin-Cheng Yeh; Wen-Yi Hsiao; Satoru Fukayama; Tetsuro Kitahara; Benjamin Genchel; Hao-Min Liu; Hao-Wen Dong; Yian Chen; Terence Leong; Yi-Hsuan Yang (CoRR, 2020)