Dr. Dre is mourning the loss of his 20 yearold son  Andre'  Young Jr.  His son was found unresponsive Saturday morning by his mother in their home in Woodland Hills, Calif.  Andre'  Young Jr. was pronounced dead by paramedics when they arrived.  An autopsy was performed on Monday but no cause of death has been declared.  Andre'  Young Jr.  who's rapper name is Hood Surgeon is signed to Affluent Records and they are planning on releasing the debut album which is titled Hood Surgeon.