yalda's "our world" is coming up this weekend on "bbc world news."can see it at these times, friday as well, so make sure you catch it. >>> you may think you're not familiar with pop music from myanmar, but because of the country's outdated copyright laws, there's a good chance that you will recognize a few of the country's biggest hits. there is no legal barrier to taking an existing tune and reversioning it as you please. these are known as copy songs, as jonah fisher reports. >> reporter: shakira. celine dion. etch a bit of bob dylan. pretty much anything you want, she can sing it. she's one of the leading exponents of a phenomenon that's dominated burmese music for decades, the copy song. >> when i started singing, when i started my career, i have never known that we are stealing the songs. >> reporter: the lyrics of a copy song are usually original, but the tune is pinched. often from a western hit. >> we have never taught in our school curriculum any rights, intellectual property right or copyright or human right. we have never heard about that