Conversation so far:
What was J Storm
J Storm, Inc., is a Japanese music and film company owned by Johnny & Associates, was initially as a label for the Johnny's group, Arashi, after which it was named
What caused the decline in sales of singles by Arashi between 2002 and 2005?
What else caused the decline in sales of singles by Arashi between 2002 and 2005?
Can you tell me something about the Arashi article regarding the 2002 through 2005 period?
Starting in 2003, the group Arashi would only release two singles every year until 2007

Question: Who performs on this stage?
Self-contained rewrite: Who performs on Johnny's Moving Stage?