What I’ve Built and Shared
Digital materials designed to support real percussion work.
These materials are meant to sit on your stand, your desk, or your tablet
and help you make better musical decisions when you rehearse, record, perform, or teach.
What defines these materials:
Clean, readable notation
Structured rhythm system
Immediate acces
Built for practice, reference, and real use
Rhythm Dictionary — Congas
Foundational reference for Afro-Caribbean and Latin contexts
A structured collection of conga patterns used in real musical situations.
Focused on clarity, function, and practical application in ensembles, recordings, and live performance.
Digital Book — USD $19
Instant access · PDF
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Rhythm Dictionary — Cajón
Peruvian and Afro-Latin rhythmic foundations
Essential rhythmic material for cajón-based settings, from traditional forms to contemporary use.
Organized for musicians who need reliable references in rehearsals, sessions, and gigs.
Digital Book — USD $19
Instant access · PDF
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Rhythm Dictionary — Timbales
Time, drive, and structure in Afro-Cuban and Latin ensembles
A focused reference on timbales patterns, variations, and functional roles.
Built to support groove stability, ensemble interaction, and professional performance contexts.
Digital Book — USD $19
Instant access · PDF
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GroovinPocket
offers you a collection of practical E-books developed from real professional experience.
Description
GroovinPocket is the platform I created to share this organized knowledge with pedagogical strategy. It is a functional learning tool drawn from the tradition of popular percussion, created to help percussionists make clear musical decisions in real situations—rehearsals, recording sessions, live performances, and professional work where reliability matters.
GroovinPocket Editorial is the registered imprint that supports and publishes these digital books.
These materials is rooted in tradition and shaped by present-day needs. It respects how rhythms are transmitted—through sound, function, and context—while using modern structure and digital tools to make that knowledge clearer and more usable.
Everything here comes from years on the bandstand, in the studio, and in the classroom—playing, researching, and organizing what actually works in today’s popular percussion practice.
I built this so you don’t have to spend years searching for clarity the way I did.
Built around five mastering areas
Technique · Rhythm · Improvisation ·
Lenguage · Repertoire
Hey, I´m Jacinto
I’ve spent more than three decades performing, recording, and teaching popular percussion across Latin America and the Caribbean—on stages, in studios, rehearsal rooms, and classrooms.
Over the years, I’ve worked with instruments and traditions such as congas, pandeiro, timbales, cajón, tambor alegre, tambora, güira, maracas, zabumba, and candombe drums, always in real professional contexts: concerts, recording sessions, ensemble work, and teaching environments. And like many percussionists, I didn’t learn from a single clear source.
I learned from fragmented materials, contradictory explanations, oral traditions passed down inconsistently, and years of trial and error—often discovering on the bandstand that what I thought was “right” wasn’t what the music actually needed.
Teaching didn’t make it easier.
Finding clear, reliable, and well-organized material to explain rhythms, structure, and function—without confusion or oversimplification—was just as hard.
So GroovinPocket is the result of organizing all of that the hard way. It’s where I share the clarity, criteria, and structure I spent years searching for—so you don’t have to guess, hesitate, or waste time trying to piece things together when it matters most.
This is not about learning everything.
It's about having the best tool at your disposal.
