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At which events did Indigenous Tropical Forest peoples perform communal music?

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Map of South America and the Caribbean showing the distribution of Aboriginal cultural groups, with regions color-coded by cultural type including Andean, Central American, tropical forest, and various nomadic cultures such as aquatic nomads, forest hunters and gatherers, and shellfish gatherers. Major group names are labeled across the continent and surrounding islands. — South American forest Indian Distribution of aboriginal South American and circum-Caribbean cultural groups.

Indigenous peoples of the Tropical Forest region perform communal music in a variety of contexts that integrate ritual, social, and daily life. These performance occasions include:

Shamanic curing rituals: Music is central to these practices, where shamans may use voice masking to symbolize the presence of spirit beings.12
Dance ceremonies: These are associated with rites of passage or seasonal observances.1
House purification: Communal music is utilized during these specific ritual events.1
Recreational and daily activities: Some groups, such as the Warao, also perform music for recreation, work songs, and lullabies.1

In these settings, communal songs are generally performed by men in unison, though some genres involve polyphonic textures. These performances are often accompanied by various instruments, including rattles and flutes.1