Why was it a big deal for steven to be in the all city high school band?

In the movie *Whiplash*, it's a big deal for Andrew Neiman (not Steven) to be in the All-City High School Studio Band because it's the most prestigious and competitive high school jazz band in the city. Getting in signifies exceptional talent and a major step towards a professional music career. The band's reputation and the caliber of its members open doors to future opportunities, including college scholarships and connections within the music industry. For Andrew, it represents the culmination of his years of dedication and practice, as well as the ultimate validation of his ambition.