He is generations removed from Mexico and has never set foot in that country, yet 13-year-old Alex Solis has fallen in love with mariachi. By singing the music and playing the flute, the Patrick Henry Middle School student learned tales of love and land that have been part of his family's culture for centuries. "I can't live without mariachi," said the eighth-grader, who is half Hispanic and half Asian. "I don't know where my life would be right now without music." Solis' passion is about to get its share of the limelight in Texas. The University Interscholastic League has agreed...