Radio Disc Jockey
A disc jockey is an on-air personality responsible for introducing music, commercials, and news on a radio station. DJs should have a good speaking voice and an ability to project personality over the air. 

Instrument Sales Representative
Instrument Sales Representatives sell musical instruments to instrument dealers for retail sale.

Music Shop Manager
Music shop managers manage and run music shops including buying and/or selling instruments, sheet music, equipment, and other music products. 

Music Shop Salesperson
Music shop salespeople sell instruments, musical accessories, equipment, supplies, and sheet music to customers in a retail store.

Musical Instrument Builder/Designer
Musical instrument buidler/desigers build and/or custom design instruments for sale privately or through a shop or factory.

Rack Jobber
Rack jobbers supply records and tapes to shops whose main business is not the sale of records.

Record Shop (or Department) Manager 
Record shop or department managers run a record shop or department on a day-to-day basis.

Record Shop Clerk
Record shop clerks sell records and tapes in record shops or departments.

Still More Jobs!
Author (Pedagogy, etc..)
Bow Repairer and Restorer
Computer Music Programmer
Director
Instrument Designer
Instrument Repair & Restoration
Music Critic/Journalist
Music Historian
Music Librarian
Nightclub Disc Jockey
Nightclub Manager
Orchestra Music Librarian
Piano Tuner/Technician
Repairing stringed instrument bows 
Retail Sales/Management
Subscription and Ticket Service