Tiny Masters of Today took their name from a band in the Blake Nelson book Rockstar Superstar, a young adult novel about the trials and tribulations of being in a rock band. The Tiny Masters -- Ivan, 13, guitar and vocals, and his sister Ada, 11, bass and vocals -- have had far fewer troubles than Nelson did in his fictional band. The duo began writing songs before they had any idea of starting a band. Ivan (no last names, a wise parental decision, one thinks) was jamming with some friends when Ada started singing about how much she disliked George W. Bush. The result was "Bus...