They may be responsible for supervising and conducting performing ensembles including marching bands, symphony orchestras, and choral groups. They are responsible for determining the acoustics in the recording studio and adjusting recording consoles for sound and balance. An arranger must be a thoroughly trained musician, especially in orchestration and conducting. The creativity of the arranger contributes greatly to the success of a song. The arranger may simply change keys, or may make an elaborate orchestration.
Many arrangers also work for publishers, preparing songs in various forms for publications.
They arrange for studio time, organize session schedules, make sure everyone is paid on time, and are the general supervisors before, during, and after recording sessions. Producers negotiate contracts, clear mechanical licenses, check copyrights, and are responsible for the financing of the recording sessions. Copywriters also research and review recording artists and products for appropriate approach and style. Along with sales and store management, managers of music stores act as their store's educational director. This involves arranging store recitals, overseeing and developing private teaching programs, leading workshops, and promoting store programs, instruments and accessories to local schools, colleges and community bands.