NOW ACM (2CD)While this 34 track compilation celebrates the half centennial of the Academy of Country Music Awards, its contents don't go back quite that far. Moreover, it goes in reverse chronological order, so fans of contemporary country can hear their favorite hits on the set's first disc. This basically addresses the tradition's split into two camps the modern era that began in 1991 (with Brooks & Dunn in some historical revisionism), and everything that came