One of those good ideas is Nat Geo Music. Nat Geo Music is an online store like iTunes but it caters to music around the world. One can browse the music selection by continent (though there seems to be issues with getting the right results) or by the much better way of genre. There are plenty of genres to select from including Ethiopian pop, Persian classical, Israeli folk, Flamenco, and much much more.
A sixty second preview is available for music as is a short description of the artist. All songs are ninety-nine cents. There even is code, below, to embed album information in a blog. Finally, there is no extra software to download. Now, go virtually travel the world of music.