All your favorite and popular pop songs were written and produced by this one guy. Max Martin. A 44-year-old producer behind some of the best pop songs ever. His resume boasts more #1 singles anyone has ever done before.

If you liked a song you heard over the radio in the past few years, there's a high possibility Martin wrote it.

Since 2001 he has written 19 No. 1 hits.

Only two other people have written more No. 1 songs: John Lennon and Paul McCartney.

He now runs a music empire out of Los Angeles.