with the C-G-Am-Em-F-C/E-Dm-G chord progression and sometimes some capo-ing, u can play thousands of chinese songs, including
Mayday-lian ai ing, ting bu dao, le se che, happy birthday, jue jiang (exclude the part b4 chorus),
JJlin-mu nai yi, yi qian nian yi hou, chi bang, dong jie, fa xian ai, bei feng chui guo de xia tian, dou jiang you tiao, xi jie chorus, shou neng sheng qiao chorus (just JJ already a whole list),
tank-fei ni mo shu,
jay-xing qing, fa ru xue, qian li zhi wai, jian dan ai (need a Bb chord), wo bu pei chorus, gei wo yi shou ge de shi jian chorus, feng chorus, shan hu hai chorus
harlem-qing fei de yi
eason-k ge zhi wang
tao zhe-jiu shi ai ni, liu sha chorus, ai hen jian dan chorus
ok u get the idea, the chord progression one of the most overused ones, since canon in D (if u capo 2 frets up, u'll get it in D).
Merry Christmas