Taylor Swift became the first woman in the history of the Hot 100 to succeed herself at #1 when "Blank Space" dethroned her previous single, "Shake It Off," from the top spot in 2014.
Imagine Dragons lead singer Dan Reynolds says their 2012 hit "Radioactive" is "a song about having an awakening; kind of waking up one day and deciding to do something new, and see life in a fresh way."
"The Reflex" became a #1 hit for Duran Duran when Nile Rodgers remixed it using a sampler. Simon Le Bon refuses to say what it's about, but says it's "kind of childish song."
"Open Arms" was a pioneering power ballad. Stadium rock bands like Journey shied away from slow songs, but when they reluctantly agreed to record the song, it became their biggest chart hit.
Before recording "Boom Clap" herself, Charli XCX offered the song to Hilary Duff, but her people turned down the tune because it "wasn't cool enough for Hilary."
Props to Aretha Franklin: her song "Respect" introduced the term "propers" as a sign of proper respect.
The evolution of the symbol that was Prince's name from 1993-2000.
The story of the legendary lupine DJ through the songs he inspired.
The Guns N' Roses rhythm guitarist in the early '90s, Gilby talks about the band's implosion and the side projects it spawned.
A song he wrote and recorded from "sheer spiritual inspiration," Allen's didn't think "Southern Nights" had hit potential until Glen Campbell took it to #1 two years later.
The former Dead Kennedys frontman on the past, present and future of the band, what music makes us "pliant and stupid," and what he learned from Alice Cooper.
The good doctor shares some candid insights on recording with Phil Spector and The Black Keys.