Artist & Repertoire Coordinator or Administrator:
Also called A&R Coordinator or A&R Administrator, both work in the same department of a music company, label or studio although each have different responsibilities. The A&R Administrator mostly deals with budgeting, making sure each project of an artist or band stays within budget. The A&R Coordinator is responsible for finding new artists to sign or to get already known artists to sign up under their label.
Music Author:
Music authors are writers who publish books and other reading materials on musician and composer biographies, history and origin of music from a certain period or country, music theory and pedagogy or other topics related to music.
Booking Agent:
Booking agents work closely with club managers to make sure there is a line-up of bands and solo artists who will perform at a given day or event. Booking agents not only look for musicians to schedule, but also makes sure that the budget is enough to cover all fees, from the musicians down to the cost of venue.
Copy Writer:
Also known as music copyist, their main responsibility is to copy, and when needed, to notate and transcribe musical scores, transferring each part into solo parts, intended for reproduction. They either handcopy or use softwares to help them in their task. In an orchestra, each musician is given a music sheet for his/her specific part and instrument, this makes a performance more organized and less confusing.
Editor:
An editor works in music publishing companies helping them develop method books and other music-related products. They oversee the concept, design and layout of a project, editing and proofreading before the project goes to the printing phase.