gōng 宫, shāng 商, jué 角, zhǐ 徵 and yǔ 羽

As different as it sounds, both western and Chinese music are based on the Pentatonic scale: 

gōng 宫, shāng 商, jué 角, zhǐ 徵 and yǔ 羽 

Hard to believe, when you hear it played!