דברי הימים א, פרק כ״ה, פסוק ו׳

Music in the Temple was not a casual gathering of performers, but a highly structured family tradition built on generations of expertise and royal decree. The heads of the musical shifts [ביאור שטיינזלץ] achieved their high level of education and skill through the direct instruction of their fathers. This dedicated training prepared them to sing and play instruments in the house of God [מצודת דוד]. Their musical performance was a core part of the Temple service, specifically timed to accompany the offering of sacrifices [מצודת דוד].

The entire musical system was organized by royal authority. The Levites performed the psalms and songs of praise established by King David, who personally designed the structure of their daily service [מצודת דוד, רלב״ג]. While the traditional phrasing might momentarily suggest that Asaph held the title of king due to his role as the chief musician, the primary approach among commentators is that the royal title strictly belongs to King David [רלב״ג].

This rich musical legacy rested on the shoulders of three central patriarchs: Asaph, Jeduthun, and Heman. These men were the fathers who guided and trained the Levite musicians [רלב״ג, ביאור שטיינזלץ]. Their contribution went far beyond simple instruction; much like King David himself, these three leaders actively composed their own psalms to be sung during the service [מצודת דוד].