ABC, CBS, Fox and NBC will team up for a multi-network telethon to benefit those affected by Hurricane Harvey on Sept. 12.

The telethon—Hand in Hand: A Benefit for Hurricane Harvey Relief—will feature appearances from Blake Shelton, George Clooney, Jamie Foxx, Beyoncé, Matt Lauer, Matthew McConaughey, Dennis Quaid, Julia Roberts, Barbra Streisand, Oprah Winfrey, Reese Witherspoon and more.

The hour-long telethon will be staged live from Nashville’s Grand Ole Opry, Times Square in New York and the Universal Studios lot in Los Angeles on Sept. 12 at 8 p.m. ET., as well as streamed internationally via Facebook and Twitter.

George Strait will conclude the telethon by performing live from his Hurricane Harvey benefit concert at the Majestic Theatre in San Antonio. Miranda Lambert, Chris Stapleton, Lyle Lovett and Robert Earl Keen will join George onstage for the concert benefiting the Rebuild Texas Fund.

Proceeds from Hand in Hand: A Benefit for Hurricane Harvey Relief will support United Way of Greater Houston, Habitat for Humanity, Save the Children, Direct Relief, Feeding Texas and The Mayor’s Fund for Hurricane Harvey Relief (administered by the Greater Houston Community Fund) through the Hand in Hand Hurricane Relief Fund managed by Comic Relief Inc.