Ever since Gloria Estefan split from Miami Sound Machine in 1989 to go solo, her best efforts tended to be her Spanish-language ones, and her fourth such album, 90 Millas, is no exception. In fact, it might be her best overall effort -- regardless of language -- since Mi Tierra (1993), which was her first to be sung entirely in Spanish and an instant, best-selling classic. In a couple ways, 90 Millas is a follow-up to Mi Tierra. Both are heartfelt albums inspired by Cuba and Cuban music -- whereas Abriendo Puertas (1995) and Alma Caribeña (2000), Estefan's other two prior Spanish-language efforts, were more broadly Hispanic and Caribbean, respectively, in their influences and intent -- and both 90 Millas and Mi Tierra are graced by some of ... See more