The keyword term "patriots day album songs playlist" functions as a noun phrase. A noun phrase is a group of words that collectively acts as a noun in a sentence, typically referring to a person, place, thing, or idea. In this instance, the entire phrase names a specific type of curated musical collection.
Analyzing the phrase structurally, "playlist" serves as the head noun, which is then modified by the preceding words. "Songs" functions adjectivally, specifying that the playlist consists of songs (a "songs playlist"). "Album" similarly modifies "songs," indicating that these are songs originating from an album (an "album songs playlist"). Finally, "Patriots Day" acts as a compound adjective modifying "album," specifying the theme or origin of the album (a "Patriots Day album songs playlist"). While individual words within the phrase (like "Patriots Day," "album," and "songs") adopt adjectival roles to specify the characteristics of the ultimate noun ("playlist"), the complete string of words coheres to form a single conceptual unita type of playlistwhich is the essence of a noun phrase.
Therefore, when used as a keyword or a subject in an article, "patriots day album songs playlist" should be categorized as a noun phrase. Its primary function is to name or identify a distinct entity, making it suitable as a direct subject or object in a sentence, or as a search query for that specific item.