Lady Gaga sings during a hurricanes relief concert in College Station, Texas.

Sam Moore walks on stage to perform during a hurricanes relief concert in College Station, Texas.

The Texas A&M choir sings during a hurricanes relief concert in College Station, Texas.

Alabama performs during a hurricanes relief concert in College Station, Texas. All five living former U.S. presidents joined to support a Texas concert raising money for relief eff...

A video message from President Donald Trump is played on the stage during a hurricanes relief concert in College Station, Texas.

Former Presidents from right, Barack Obama, Bill Clinton, George W. Bush, George H.W. Bush and Jimmy Carter gather on stage during a hurricanes relief concert in College Station, T...

Former President George W. Bush, center, speaks as fellow former Presidents from right, Barack Obama, Bill Clinton, George H.W. Bush and Jimmy Carter look on during a hurricanes re...

Former Presidents from right, Barack Obama, Bill Clinton, George W. Bush, George H.W. Bush and Jimmy Carter gather on stage at the opening of a hurricanes relief concert in College...

Former Presidents from right, Barack Obama, Bill Clinton, George W. Bush, George H.W. Bush and Jimmy Carter place their hands on their chest for the national anthem on stage at the...