In the wake of the tsunami disasters in Southeast Asia and Eastern Africa, more celebrities are using their star power to help garner support for the victims and their families.

Madonna, Diana Ross, Maroon 5, Mary J. Blige and Nelly will perform at the NBC Universal benefit special, "Tsunami Aid: A Concert of Hope," a program that will benefit the American Red Cross. Usher, John Mayer, Lenny Kravitz, Sheryl Crow, Norah Jones, Eric Clapton, George Clooney and Clint Eastwood are also confirmed to participate in the benefit.

The telethon will be broadcast live on Saturday at 8 p.m. ET from London, New York and Los Angeles (but tape delayed on the West Coast) on NBC and its sister cable channels, which include USA, Bravo, Sci-Fi, MSNBC and CNBC.

 Tsunami Relief: What You Can Do To Help

Virgin Megastores has also announced that it will contribute to the relief effort by launching "100 Acts of Support - The Concerts for Banda Aceh." The event — which focuses attention on the Indonesian city of Banda Aceh, as it was hit particularly hard by the tsunami — will feature a full day of 100 live performances in its 20 outlets on January 20. Proceeds from the concerts will be donated to the Music for Relief fund, in conjunction with the American Red Cross.

While Virgin is seeking major-label acts to appear at its stores, the company has also put out a call for unsigned and developing acts to participate. Artists interested in being considered for this event should check out virginmegamagazine.com by Thursday for more information and ways to apply.

Tenacious D will rock for relief at Los Angeles venue the Wiltern on Monday for the Music for Relief fund, along with Beck, Dave Grohl, Josh Homme, Eddie Vedder and Will Ferrell. Tickets are $60 and $100 and can be purchased through Ticketmaster.

To find out how you can take part in the relief efforts, see "Tsunami Relief: What You Can Do To Help."

[This story was updated at 2:42 p.m. ET on 01.11.2005]