After 21 weeks, closing arguments began in the Michael Jackson wrongful death trial. Jackson's mother, Katherine, contends that the promoters of her son's never-realized London concerts are liable for his death by hiring and retaining Conrad Murray as the singer's personal physician. Arguments are scheduled to take several days, with the case expected to be handed over to the jury on Thursday (September 26).

In celebration of what would have been his 83rd birthday, music legend Ray Charles got his image on a U.S. postage stamp. The United States Postal Service unveiled the new, limited edition stamp in Los Angeles on Monday (September 23).

Stevie Wonder called on world leaders at the United Nations to work together to help people with disabilities and called for an end to their discrimination. In addition to his music legacy, Stevie Wonder is a United Nations Messenger of Peace. Wonder addressed the U.N. ahead of the annual General Assembly debate, involving the leaders of all member countries.

A jailed Pussy Riot group member declared a hunger strike on Monday (September 23) and called on the Russian Investigative Committee to launch an investigation into a threat on her life she said was made by a prison official. In a letter, the musician wrote that officials forced prisoners to work 16-hour days, denied them meals and bathroom breaks, and encouraged other prisoners to beat those who complained.