The phrase refers to a specific hymnal with chord notations (cifras) used primarily in Brazilian Pentecostal and Evangelical churches, especially those connected to the Assembleia de Deus (Assembly of God) tradition.
Would you like a list of from this hymnal with their common keys, or tips on where to find/buy a physical or digital copy?
If you are searching for a digital or PDF version , the copyright is held by Editora Betânia (Brazil). Legitimate purchase options exist through Christian bookstores in Brazil or specialized sheet music sites. Older editions (pre-1990) are often shared among musicians as "domínio restrito" (restricted use within the church).
Here are the key features of this specific hymnal: