Conversation so far:
What is AMYF for rapper Bushido?
AMYF is rapper Bushido's eleventh Studio album.
Was the rapper Bushido album AMYF a success?
Rapper Bushido's AMYF album ranked No. 1 in the album chart position in Germany and Switzerland.
What are some of the songs on the rapper Bushido album AMYF?
Rapper Bushido's AMYF album contained the singles Theorie & Praxis and Panamera Flow.
What is the song Stree ohne Grund for rapper Bushido?
Stress ohne Grund is Shindy's debut single, which features rapper Bushido, released on 12 July 2013.
Was Stree ohne Grund by Shindy, featuring rapper Bushido, well received?
The single Stress ohne Grund caused controversy among the media and politicians.
Why did the single Stree ohne Grund by Shindy, featuring rapper Bushido, cause controversy?
In the song Stress ohne Grund, rapper Bushido verbally attacked the politicians Serkan Tören, Claudia Roth and Klaus Wowereit.

Question: What else is significant about this year?
Self-contained rewrite: What else is significant about the year 2013 besides the single Stress ohne Grund by Shindy, featuring rapper Bushido?