Which instrument is traditionally associated with mariachi bands?

Mariachi bands are closely associated with the trumpet as one of their key instruments. The trumpet plays a dominant role in mariachi music, providing both melodic lines and powerful accents. Historically, the instrument has been integral to the mariachi ensembles, complementing the string instruments such as violins and guitarras, and enhancing the overall sound with its bright and vibrant tone.

In mariachi music, the trumpet serves to convey the emotional expression characteristic of the genre, adding flourish and excitement to performances. This is why the identification of the trumpet as the traditional instrument of mariachi bands is accurate and well-founded within the context of the genre's musical style and performance practices. Other instruments may have their places in various musical traditions, but none have the same iconic status or essential role as the trumpet in mariachi music.