Downtown area Musical work, for chamber orchestra, which recreates the atmospheres experienced when walking through the streets of the downtown area of ​​my city (Tijuana). Using the popular urban rhythms that can be heard live, performed by all the city's musicians, such as: Rap hip hop). The most popular and booming genre among young people in this city in particular and throughout Mexico in general. Jazz, which since the 1960s has been played on the legendary Av. Revolución. Aztec Dance (Mexica) that is still practiced by various circles of the city and the country, preserving ancient cultures. Reggae. Music of conscience and positive message, which is the most listened to and performed by numerous local and independent bands from the northern border. Divided into three parts, it begins with a melody or main theme, such as the bass line used on rap tracks, played first by the trombone, the double bass, and later also by the other instruments, on a rhythmic basis in the section of percussions with a characteristic rhythm of rap music at a speed of 90 bpm.