4allweknow
He was exploited by all who managed him. Contract fir him to appear ever night for 5 years at the International Las Vegas. He was fed "uppers" to keep him going then "downers" so he could sleep. Col. Tom manipulated Elvis to his last minute. Sure nowadays Col. woukd be jailed for abuse.
Sadly, this still happens today with some stars. Of course, the drugs are "prescribed" but they still get addicted. Drugs are absolutely rife in the music industry. I wanted my son to enjoy a musical career but after he took a music course, it was clear that drugs were part and parcel. The lecturers were openly smoking dope and talking about their drug use in front of the students when they were on tour. I was so relieved when his girlfriend wanted him to move away from that sort of career.