The Soweto Gospel Choir, Danny K, Baaba Maal, Zola, The Parlotones, Vusi Mahlasela, Angelique Kidjo, Joss Stone, UB40.
The Soweto Gospel Choir joining Vusi Mahlasela for a poignant rendition of "River Jordan" dedicated to Mahlasela's late mother; Angelique Kidjo and Joss Stone's soulful, percussion-driven "Gimme Shelter" cover; Parlotones frontman Kahn Morbee's Alex de Large-esque eye makeup; an encore performance of Louis Armstrong's "What a Wonderful World" featuring the Soweto Gospel Choir and the rest of the Live Earth Johannesburg players.
MOST UNEXPECTED MOMENT:
The ever-inappropriate Pauly Shore ("I'm in South Africa, mon!") dropping by to chat up female concertgoers and introduce Senegalese singer Baaba Maal.