Mark Ronson's "Uptown Funk" was the first US chart-topper to include the word "funk" in the title.
Kelly Rowland was the first Destiny's Child member to have a hit away from the group: her Nelly duet "Dilemma."
Irving Berlin wrote "How Dry I Am" in anticipation of Prohibition, envisioning a bleak future without alcohol.
"Centerfield" was the first song enshrined in the Major League Baseball Hall of Fame.
"Toxic" was the most-searched song on Google in 2004 and helped Spears become the most-searched artist that year, a title she held from 1999-2001.
Country star Slim Whitman's version of the 1920s song "Rose Marie" spent 11 consecutive weeks at #1 in the UK in 1955, a record until 1991 when Bryan Adams’ "(Everything I Do) I Do It For You" spent 16 weeks at the top.
The Celtic music maker Loreena McKennitt on finding musical inspiration, the "New Age" label, and working on the movie Tinker Bell.
Webb talks about his classic songs "By the Time I Get to Phoenix," "Wichita Lineman" and "MacArthur Park."
Donny Osmond talks about his biggest hits, his Vegas show, and the fan who taught him to take "Puppy Love" seriously.
Lori's songs have been recorded by Faith Hill and Sara Evans. She's performed on the CMAs and on Oprah. She also has five kids.
If the name Citizen Dick means anything to you, there's a chance you'll get some of these right.
The Scorpions and UFO guitarist is also a very prolific songwriter - he explains how he writes with his various groups, and why he was so keen to get out of Germany and into England.