17 people you didn't know had a Grammy

Michelle Obama.

Andy Wenstrand/SXSW Conference & Festivals via Getty Images

• Steve Martin has five Grammys for comedy and bluegrass music.
• Former presidents Bill Clinton and Barack Obama have won Grammys for their audiobooks.
• Martin Luther King Jr. and Jimmy Carter were awarded posthumous spoken-word Grammys.

When you think of music's biggest night, you probably picture artists like Beyoncé and Paul McCartney, two of the top Grammy winners of all time.

But...