Flamenco singing does not fit neatly into a 4/4 grid. A great PDF writes the lyrics under the chord changes, showing exactly where the cante (song) enters. For example, a Soleá letra of 8 syllables needs to align with beats 1, 4, 7, and 10 of the 12-beat compás.
This resource is available in both physical and digital formats: Physical Copy : You can find the printed book at specialty retailers like El Flamenco Vive Amazon Spain Digital Version (PDF) : Document-sharing platforms such as Slideshare 1000 Canciones Y Acordes De Guitarra Para Flamenco Pdf