Original sentence: Hawler is very well known for a style of Kurdish Hairan with many singers who long served to improve the art form in the region and left a long legacy that is rich with many famous songs singers such the three brothers Osman, Khdr and Hassan Hairan, many other modern art forms has emerged in the area such a Rap, Break dance and Slam Poetry
Edited sentence: Hawler is very well known for a style of Kurdish Hairan with many singers who long served to improve the artform in the region and left a long legacy that is rich with many famous songs singers such the three brothers Osman, Khdr and Hassan Hairan, many other modern artforms have emerged in the area such a Rap, Breakdance and Slam Poetry