How did dances of impersonation represent mythical or ancestral beings in Melanesia?

In Melanesian ceremonies, dances of impersonation serve as a primary method for representing mythical or ancestral beings. During these performances, the dancer-actor undergoes a transformation, effectively becoming the supernatural entity they represent.1

To achieve this, dancers utilize elaborate, otherworldly attire, which frequently includes massive masks and full-body costumes that obscure their human identity. Because these costumes are often heavy or cumbersome, they dictate the style of movement:1
* Restricted Motion: Dancers are typically limited to swaying their bodies and moving their legs, as the attire makes complex choreography difficult.1
* Supportive Roles: The arms are often covered or used to steady the mask and costume, or to hold musical instruments like drums.1
* Auditory Representation: Rather than interpreting recited poetry, the dance movements are accompanied by the sounds of instruments, which are intended to represent the voices of the supernatural beings themselves.1

These performances are deeply integrated into the social and religious life of the community, often occurring during significant events such as the consecration of slit gongs or the initiation of religious ceremonies.12