Singsong refers to a type of rhythmical chanting that's nearly like singing. In various regions, it can also be synonymous with singalong, where a group performs a song together. Historically, the term also meant "a jingling ballad" in the 17th century.
They express emotions through facial gestures.
To identify an element, I focus on the textures in the hair and eye sockets. It might also be helpful to search online for art elements and their definitions, then associate what you observe with those terms.
I'll provide the answer in the comments.
