One summer afternoon, on the banks of a river, a boy and a girl are starting to get to know each other. The landscape and the distance are the scene of a possible beginning.
Tomás is a teenager whose life, as always happens, changed from one moment to the next. But that present awakens a latent past that must be resolved in order to face the uncertain future.
Trombone is not a classic documentary, in the same way that Trombonanza is not a classic experience in the world of trombone. It is full of moving stories, secret tributes, huge celebrations and above all music.
