A.B. Quintanilla III wants to have it both ways. The writer, producer, and brother of murdered Tejano goddess Selena has split the sophomore album from his band Los Kumbia Kings into English and Spanish halves. There's no strong connection between the two collections of songs, but Shhh! is still an enjoyable enough listen. Much like he did with the music of Selena, Quintanilla infuses the album's cumbia rhythms with pop, hip-hop, and R&B elements. By now, though, the trick has become a bit predictable. Songs such as "Me Enamor