Is this record rare given the "Unknown Artist" status?

The combination of the 1977 date and the specific Marimba style suggests it holds niche collecting value.

What genres does this 1977 release fit into?

It blends Jazz, Latin, Pop, Folk, World, and Country elements, centered around the Marimba style.

As a 1977 piece featuring a distinct Latin/World sound, it offers unique appeal for specialized collections.

Name: Unknown Artist - Marimba Tipica De El Salvador
Brand: Unknown Artist

Jazz

Jazz · 1977

Year · 1977Genre · Jazz, Latin, Pop, Folk, World, & CountryStyle · Marimba

Used

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New / Sealed

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Is this record rare given the "Unknown Artist" status?: The combination of the 1977 date and the specific Marimba style suggests it holds niche collecting value.
What genres does this 1977 release fit into?: It blends Jazz, Latin, Pop, Folk, World, and Country elements, centered around the Marimba style.
Is this a good investment for a world music collector?: As a 1977 piece featuring a distinct Latin/World sound, it offers unique appeal for specialized collections.