charlotte martin performs 'swing low, sweet chariot' into her song 'sweet chariot' at the world cafe live in philadelphia,pa. 9/30/09 mad fast acoustic tour. i got chills when she sang this...the 'operatic intro' in char's 'swing low, sweet chariot' is so beautiful and it goes seamlessly into song, 'sweet chariot'...which will turn you into mush. one of the highlights of this show and this tour. more videos to come! enjoy this.