Let's be honest. Even if the spirit of collaboration in health and nursing has gained greater relevance in the last decade, interprofessionality is not really a paradigmatic rupture with the past. It is not an idea that is born from scratch either; let alone a universal panacea or "the future". At least, it is not the entire future. At most, it is a prospective scenario in which the image of an idealized future is represented, where certain health professional groups promote collaboration with enthusiasm, while others react with a polite silence. Even so, it is intellectually enriching to reflect on collaborative practices from these 'anti-definitions' and the analogies between health and other areas.Let's think of the arts, for example. Arts encompass a wide range of cultural expressions, some for merely recreational purposes, while others have ceremonial undertones for elevating the spirit or are devoted to arousing nationalist fervor, among many other uses. However, they have in common that they produce an effect that in our cultural milieu we call 'harmony'. As is the case in the services associated with well-being and care, the artistic creation and interpretation process also responds to a specific practice. And this practice is also subjected to certain rules, which may be the principles of physics, as well as a specific tradition of some community.In one of its most intricate forms -opera -professional practice encompasses meticulous collaboration between composition, lyrical writing, orchestration, choir conducting, singing, instrument performance, dance, circus arts, theatre costume, make-up, set design, lighting and sound; components which, in order to produce the desired aesthetic effect, should link together with grace and precision at a predefined rhythm and pulse. The outcome of an opera results from the engineering and HISTORICAL