The line "satellite of love" in the Def Leppard song "Rocket" came from the title of a 1972 Lou Reed song.
Lady Gaga says that "Poker Face" is about her personal experience with bisexuality; being with a man but thinking about a woman.
Irving Berlin, who wrote "God Bless America," said it was "not a patriotic song, but rather an expression of gratitude."
In the song "God," Tori Amos makes the point that if there's God, there must also be a Goddess because there are no male-only species.
"Ho Hey" by The Lumineers is about New York City, where lead singer Wesley Schultz moved to make it in music. He was dismayed to find many "trust fund kids" in the music scene while he struggled to pay the rent.
Katy Perry co-wrote Iggy Azalea's hit single "Black Widow." Perry was originally going to sing on the track, but she couldn't fit it into her schedule, so Rita Ora provided the sung vocals instead.
Oliver Leiber talks about writing and producing hits for Paula Abdul, and explains his complicated relationship with his father, the songwriter Jerry Leiber.
In this quiz, spot the artist who put Romeo into a song lyric.
The rock revolutionist on songwriting, quitting smoking, and what she thinks of Rush Limbaugh using her song.
The guy who brought us "Stacy's Mom" also wrote the Jane Lynch Emmy song and Stephen Colbert's Christmas songs.
