Tolong jelaskan mengenai Petra Nemcova (presenter) dari Konser Live Earth

AFI - "The Missing Frame", "Love Like Winter", "Ziggy Stardust" dan "Miss Murder"

Fall Out Boy - "Sugar, We're Goin Down", "Thnks fr th Mmrs", "Dance, Dance" dan "This Ain't a Scene, It's an Arms Race" dengan intro "I Write Sins Not Tragedies"

Akon - "Shake Down", "We Takin Over", "I Wanna Love You", "Smack That", "Don't Matter" dan "Mama Africa"