Prosecutors Play Tape of Michael Jackson Doctor's Police Interview

Conrad Murray looks up during the defense opening arguments in his involuntary manslaughter trial at Superior Court, Tuesday, Sept. 27, 2011 in Los Angeles. Murray has pleaded not guilty and faces four years in prison and the loss of his medical license if convicted of involuntary manslaughter in Michael Jackson's death. (AP Photo/Al Seib, Pool)

Prosecutors have begun playing the interview police conducted with the doctor charged in Michael Jackson's death.

Deputy District Attorney David Walgren started playing the more-than two hour interview with Dr. Conrad Murray before the lunch break on Friday.

The recording has never been played in public before, nor have its exact contents been released. During the interview, Murray details his treatments on Jackson in the hours before the singer's death, including his administration of the anesthetic propofol.

The tape opens with Murray giving detectives basic information about himself and his medical practice.

Murray has pleaded not guilty to involuntary manslaughter. If convicted, he faces up to four years behind bars and the loss of his medical license.

Playing of the tape will be interrupted by the court's lunch break.