Unlike bebop, "A Mis Abuelos" requires a singing quality. On page 21 (if it is the development section), you should see long slurs and notes marked tenuto . Sandoval often uses half-valve effects to mimic a human voice crying. A bad transcription will miss these articulation marks.
For musicians looking to perform this "monster chart," several arrangements are available across various formats, often found as digital PDFs: Free A Mis Abuelos by Arturo Sandoval sheet music A Mis Abuelos Arturo Sandoval Pdf 21
While specific PDF files are often protected by copyright and require purchase through official channels, here is a comprehensive guide to the composition, why it is a staple for trumpet players, and how to approach learning it. Unlike bebop, "A Mis Abuelos" requires a singing quality