Mariachi artists such as Pedro Fernández, Ana Gabriel, and American born mariachi singer Pepe Aguilar and more. The educational movement is controversial with some trained in the traditional manner, who are skeptical about these programs and their potential to change the tradition. The changes, especially standardization of publishing, are slowing impacting mariachi in Mexico. One difficulty of arranging mariachi pieces is that the son jaliscense is based on alternates between and time. Much of the published mariachi music is meant for people already familiar with the music to serve as guides, not to novices. On the other hand, many schools have
Corps style band by American high schools to utilize the corps style of marching rather than the military style. This is most likely due to the fact that the corps style allowed for a much broader selection of musical styles, tempos, and moods, versus the limitations of the traditional military march. Another important factor is that the Corps Style bands face the audience, versus the military bands primarily facing the end zones, therefore, the corps style band has a much fuller sound, and is generally louder. The 80's also saw the movement away from strict 8 to 5 step size to the usage