Elton John says he wrote his memoir for his sons Zachary and Elijah. The book, titled Me, was published yesterday.
Elton tells the BBC, "I want them to know that their dad was being honest, and he made something of his life after a few hiccups along the way,"
He also wrote it for his late father. "It's crazy, but I just wanted his approval. I'm still trying to prove to him that what I do is fine -- and he's been dead for almost 30 years."
Elton is celebrating the book's publication with a live radio broadcast tonight (Wednesday) from Los Angeles.
He also did an interview with singer Brandi Carlile for his Beats show on Apple.