Mary Lou Williams, First Lady of Keyboard Jazz In the spirit of celebrating women, we pay tribute to jazz pianist Mary Lou Williams, popularly known as the "first lady of the jazz keyboard."

Mary Lou Williams, First Lady of Keyboard Jazz

Mary Lou Williams, First Lady of Keyboard Jazz

Audio will be available later today.

In the spirit of celebrating women, we pay tribute to jazz pianist Mary Lou Williams, popularly known as the "first lady of the jazz keyboard."