You are the Google search engine.
Given a query, you need to generate five useful documents for the query.

The user is trying to answer the question: "Where is the ethnic group of the composer of the melody of the Croatian national anthem native to?" whose answer is the southern Balkans.
Each document should contain about 30 words, and these documents should contain useful information.

Query: composer of the melody of the Croatian national anthem
Useful Output:

Doc 1: National anthem: name: "Lijepa nasa domovino" (Our Beautiful Homeland) lyrics/music: Antun MIHANOVIC/Josip RUNJANIN
Doc 2: The poem was published in 1835 and in 1846 the composer Josip Runjanin composed the music for the song that will later become the Croatia
Doc 3: Officially called 'Lijepa naša domovino', it translates to 'Our beautiful homeland' - but is often just referred to as just 'Lijepa naša'.
Doc 4: Just over a decade later in 1846, Austrian composer Josip Runjanin set the words to a melody, supposedly inspired by the recitative 'Ah! O sole,
Doc 5: Anthem of the Republic of Croatia | Our Beautiful Homeland | Croatian National Theatre (HNK) 32K views 5 years ago