A.D. Amorosi “A star is something magical, a dream…”That’s Alejandro Sanz — Spain’s most decorated singer-composer, with 22 Latin Grammys and four Grammy Awards to his name — rhapsodizing about his star on the Hollywood Walk of Fame, set to be unveiled in a ceremony on the boulevard today.“I feel like children who dream of becoming astronauts and wish to see stars up close, to touch them.