Neither of yout two assertions that they have played many venues in Beijing or that they shared a stage with Sonic Youth seemed to me to be an assertion of notability that rises level required by CDS A However since I can see that some people would see opening for a major band as an assertion of notability and given that the show occured outside of the bands country I will restore the article However I am going to nominate for AfD That will give you five days to improve the article andor convince a wider audience that the band is notable I would suggest that you find a better source for the Vienna gig as a jpg of a poster merely proves that the poster was printed not that the gig happened