A music video director conceives of and instructs all artistic and dramatic aspects of a music video, including directing the musical act, technical crew, actors, and dancers. A camera person operates the camera to capture the perfect shots and views. An audio engineer records and manipulates the sounds to highlight important sounds. A lighting technician is responsible for setting up lights and lighting effects to illuminate the scenes.

1. Definitions of job responsibilities.
Director: A music video director is a director of music videos. The director conceives of a
video's artistic and dramatic aspects while instructing the musical act, technical crew,
actors, models, and dancers. This may or may not be in collaboration with the musical
act.http://en.wikipedia.org/wiki/Music_video_director
A director controls the person performing for the music video. He/she instructs the
performer to perform what to do on scene.
Camera person: A camera operator or cameraman/camerawoman is a professional
operator of a film or video camera. In filmmaking, the leading camera operator is usually
called a cinematographer, while a camera operator in a video production may be known
as a television camera operator, video camera operator, or videographer, depending on
the context and technology involved, usually operating a professional video
camera.http://en.wikipedia.org/wiki/Camera_operator
A camera person operates the camera and shoots from the best points getting the perfect
view for the video.
Sound recording: An audio engineer is concerned with the recording, manipulation, mixing
and reproduction of sound. Many audio engineers creatively use technologies to produce
sound for film, radio, television, music, electronic products and computer games.
Alternatively, the term audio engineer can refer to a scientist or engineer who develops
new audio technologies working within the field of acoustical
engineering.http://en.wikipedia.org/wiki/Audio_engineer
Audio engineer: An Audio engineer is a person who brings out the inner sound on the music
video, Lighting up the key aspects on the important sounds and the not so much important
sound.
Lighting technician:A lighting technician is the person in charge of setting up the lights and
lighting effects used in theatre, film and television. Their work covers a wide range of
effects, from standard lighting of a stage, to special effects such as strobes, laser shows,
searchlights, and more.http://www.wisegeek.com/what-is-a-lighting-technician.htm
Lighting technician: A lighting technician is a person who is responsible for the lighting on
scene for the music video. He/she sets up the perfect angles for the lighting to base on
scene.