As a musical category, World Music has been around some eight years now. The term was originally used as a marketing tool in an effort to increase the visibility of ethnic and international artists in Europe. In the United States, it quickly became a catchall for almost anything not in English. It's an "Us v. Them" attitude that pits the U.S. against six continents' (Mexico weighing in as the North American representative) worth of varied and adventurous genres.

Since most U.S. record stores don't even differentiate salsa from soca on the shelves, fans of World Music are likely to find African religious chants and Mexican mariachis dumped in with Japanese flutes in one very cramped section. That doesn't really work.

Still, the economic reality is that even today's music mega-stores can't set up different sections for every country and style out there. And given that, the term World Music seems to be the next best thing.

Even if you exclude the huge Latin scene and traditional ethnic music that's aimed at native audiences, World Music is still perversely large. But it's worth the effort to sift through the ever growing number of releases vying for the World Music audience; there are treasures to be found there.

Among the best of the new World Music releases comes from Vieux Diop, a Senegal-born vocalist and kora player. His eponymous CD on Triloka Records features nine tracks representative of the diversity of West African music; among them are two songs that are centuries old.

One of these, "Jali," a traditional tune from the ninth century, praises the oral historians, or Jali, of West Africa. Part of a once rigid caste system, the Jali are epic storytellers. Diop's version of the song, with lyrics in both Bambara and Wolof, is enchanting, and features his work on the kora (an instrument with 21 strings attached to a huge decorated gourd that looks a bit like a guitar).

Another high point is "Sutu Kun," a 12th-century tune with lyrics in Mandingo. "Sutu Kun" is soft and lush; not so "Banana," a Diop original that's heavily influenced by American pop. Upbeat, danceable and sung in English, "Banana" has Diop enticing a girlfriend gone bad back into his arms. The song features easy, swinging rhythms that all but disguise its complex musical layering, layering that Diop uses throughout the CD's nine tracks.

Brian Keane, who co-wrote "Banana" with Diop, also lent a hand arranging all the other tunes. His contribution shows that World Music can be a combination of influences; it doesn't have to be a "pure" ethnic work to be fascinating. Vieux Diop makes that more than clear. (*****)

Sheila Chandra also shows that World Music doesn't have to be some sort of aural anthropology. As American music absorbs influences from elsewhere, the "elsewhere" absorbs influences as well. Chandra was on the Asian rock scene for several years with the group Monsoon, and a look at her development can be found on Roots and Wings, a collection of songs that were recorded between 1982 and 1989 in India (two tracks) and England (the remaining ten tracks).

Recently rereleased by Caroline Records, Roots and Wings features Chandra's harmonic drones and Indian percussion. It's a rare look at the progression of an artist over time. Roots and Wings was Chandra's first project after a four-and-a-half-year sabbatical; the artist dropped out of the music business when she was 20 and burned out by the Asian rock whirlwind. Roots was an announcement that she was back on the scene.

Chandra, who uses traditional instrumentation such as shehnai (an Indian oboe), tabla (hand drums) and ghatam (a clay pot drum), produces some very untraditional music. Writing with producer Steve Coe, she mixes techno flavors with drones and a variety of cultural styles.

Her and Coe's "The Struggle" is a blast of techno, relentless and fast paced. The CD also offers a different mix of the tune under the title of "The Struggle/The Dream." Backed here by The Ganges Orchestra, the "Dream" version draws on Chandra's angelic vocals and even includes some Celtic overtones, even as it manages to keep the techno in the details.

The CD's title tune, "Roots and Wings" is also presented in two versions, the original Madras mix, recorded in 1986 and again showing Chandra's techno tendencies, and a traditional mix recorded in 1989 that showcases the performer's abilities with something softer.

The wordless "One" recalls Chandra's native chants while moving beyond them, stacking style on style. And "Mecca" is the CD's best example of Chandra's Arabic ornamentation and distinctive drones.