While there isn't a single widely-cited "paper" specifically titled that title commonly refers to curated collections or "Greatest Hits" of Angolan music performed in the Umbundu language. If you are looking for a "proper paper" in the sense of an academic or formal study on the preservation and success of the Umbundu language and culture, you may find the following resources helpful:
: Research available on Academia.edu that provides a policy perspective on how languages like Umbundu are integrated into the educational system in Luanda. SUCESSOS EM UMBUNDU 02
If you were instead referring to a or a lyric sheet for a specific album titled "Sucessos em Umbundu Vol. 2," could you clarify if you need the list of artists or the lyrics for a particular song? Global Journal of Human Social Science While there isn't a single widely-cited "paper" specifically