Conversation so far:
What happened in 1981?
In January 1981, Styx released Paradise Theatre, a concept album that became their biggest hit, reaching No.
1.
What was a single off the album?
five singles, including the top ten hits "The Best of Times" by DeYoung (#3) and "Too Much Time on My Hands" by Shaw (#9).
Did they tour during this time?
CANNOTANSWER.
What is the backmasking accusation?
The band was accused by a California religious group and later the Parents Music Resource Center of backmasking Satanic messages.

Question: What did the band say about the accusations?
Self-contained rewrite: What did Paradise Theatre say about the accusations?