Conversation so far:
What is The Wallflowers's Red letter days?
Red Letter Days is the fourth album by The Wallflowers, released in 2002.
What is a single from The Wallflowers's Red letter days?
The first single from the Red Letter Days, When You're On Top, was released to radio on August 16, 2002.
Did When You're On Top.“ by The Wallflowers do well?
Did the band The Wallflowers tour for Red letter days?
Around the time of Red Letter Days' release the Wallflowers embarked on a monthlong U.S. tour stretching into early December.

Question: Who wrote the songs?
Self-contained rewrite: Who wrote the songs on The Wallflowers Red letter days?