What possible colleges?
Adcoms know marching band is time intensive and can respect the commitment, if it doesn’t interfere with grades and rigor. The question is what you’d replace band with. We don’t know if your business club is intensive or just kids talking. Many kids do church vol work either on Sundays or community projects once or twice/month.
My D asked me about dropping state orchestra, but that was for senior year. At that point, I felt any positive impressions had already been made over three years, fine. (But she stayed.) She had done other things with her music- other groups, including voice, accompanying school performances, etc.
Take the long look at this, before deciding.