Given the following context:

"R U Professional" was made available on YouTube and MediaFire on February 3, 2009. The video description on YouTube by the group stated, "Song By The Mae Shi celebrating the life and work of Xtian Bale. Bale's performance as John Connor in the upcoming Terminator 4 'Redemption' Film will no doubt be one of the greatest of all time. He will win every Oscar for his performance, even the special effects and animation ones." The Independent reported that the band would appear at a music festival, "The Fans Strike Back", and requested they perform "R U Professional".Several media outlets attempted to place the work within a particular genre. MTV compared the song's style to the group Devo and new wave music. El País described the piece as an electropop song that contributed to the viral spread of the Christian Bale rant after its release on the Internet. Dose described it as an electro jam session which made adept use of sampling from the audio of Bale's rhetoric. The Los Angeles Times called the piece a lively pop music tribute to the actor. USA Today called the song fun dance music and creatively motivated. The Toronto Sun praised its original lyrics and use of audio from the incident, and described the piece as a fusion of electro-pop styles and a good song for dancing. New Musical Express recommended the piece, and described it as electro-rock which astutely sampled Bale throughout the song. The St. Louis Post-Dispatch described the piece as a form of new wave music which used the most spasmodic segments of the incident, and commented that the end product was comedic. The Arizona Daily Star described the piece as a pop music dance song.Multiple sources remarked upon the speed with which The Mae Shi were able to put the song together and release it. The A.V. Club highlighted the song among Internet memes inspired by the Bale melee, and wrote that though the piece was put together quickly it was quite entertaining and inventive. The Irish Independent was surprised at the speed multiple different satirical...

answer the following question:

What band was reported to appear at the music festival, The Fans Strike Back? 

The Mae Shi