Abstract <p>Musical training has a significant impact on brain organization, leading to functional and structural adaptations that enhance auditory, visual, motor, and cognitive processes. This study investigates how extensive musical training shapes functional brain connectivity by comparing professional musicians and non-musicians. Using EEG phase-locking value (PLV) analysis, we examined neural synchronization across alpha, beta, and gamma frequency ranges during music perception in tasks with different forms of musical graphic notation. Our results have shown that musicians demonstrated significantly enhanced functional connectivity, reflecting a superior ability to integrate auditory, visual, and cognitive information. Specifically, in the alpha band, musicians showed strong occipital-temporal connectivity across all tasks, with additional parietal-temporal synchronization during tasks lacking pitch information. Analysis of the beta band activity revealed significant frontal-temporal connectivity, indicative of enhanced cognitive processing, and task-specific temporal-occipital synchronization. In the gamma band, musicians exhibited robust frontal-temporal and frontal-frontal synchronization, associated with advanced emotional and structural music processing. In contrast, non-musicians displayed reduced, less specialized connectivity patterns, relying on more generalized cognitive strategies. These findings provide clear evidence that musical training induces profound functional adaptations in the brain. The enhanced and more efficient cross-regional synchronization in musicians underscores the role of long-term training in fostering advanced multimodal integration and cognitive flexibility, which facilitates sophisticated music perception and analysis.</p>