As Lindsay's music continued to find bigger audiences, her videos allowed her to express her passion for dance.
Lindsey's unique meshing of violin and electronic music left the music industry baffled, but her perseverance and creative use of YouTube as a promotional tool helped her reach a massive audience.
Although their pioneering merge of rap with pop proved that Blondie was as forward-thinking as they were commercial, behind the scenes the group was dealing with a band member's life threatening illness.
When Blondie borrowed Donna Summer's producer to record a song for the film "American Gigolo", they ended up with the biggest hit of their career.
The track that made the group a household name.
Upon the song's release, lead singer Debbie Harry's strong persona seemed to be a liability with American audiences, but the group found early support from countries like Australia, New Zealand and the UK.
Inspired by a trip to war-torn Bosnia, Sheryl writes this song which is later recorded by Johnny Cash, and ultimately ignites her interest in recording country music.
Sheryl taps into her personal life for inspiration, leading to an intimate song about a past relationship, and creating speculation over her unnamed muse.
Sheryl proves her autonomy with a hit that verifies her as a musical powerhouse who answers only to herself.
After the first singles on her debut record don't get any traction, Sheryl finds success with a powerful statement about finding a partner who can truly be her equal.
Dolly Parton's seventh number one country single as a solo artist; it would help her career cross over into pop music.
Soundtrack to Transamerica; it earned Parton a second Oscar for best original song.
"Jolene" is ranked 217 on the Rolling Stone list of the 500 greatest songs of all time.
Dolly has described this autobiographical song as her favorite among all those she's written.
Dolly Parton reflects on her first Academy Award nominated song, '9 to 5'.
Parton wrote the song "I Will Always Love You" in 1973 for her one-time partner and mentor, Porter Wagoner, and Whitney Houston later recorded a version of the piece.
One of Cash's final and most unlikely hits, this painful ballad was written and first performed by superstar Trent Reznor; the "Nine Inch Nails" front man explains why he was reluctant to allow Johnny to record the song.
The original hangover anthem was written and recorded by Kris Kristofferson in 1969; Kris reveals why Cash wanted to cover this song that was already a hit and how Johnny came to perform it during an episode of "Columbo."
Johnny Cash wasn't sure about this quirky tune so he tested it on a "captive" audience during his concert at San Quentin prison.
Written by Broadway Legend Jerry Lieber, "Jackson" tells the story of a married couple trying to re-ignite their passion; Johnny and June were married one year after recording the song.
One of the biggest hits of Cash's career stayed at No. 1 for seven weeks; written by his future wife June Carter and first recorded by her sister Anita.
Cash's first Billboard hit was recorded at the legendary Sun Studios in Memphis, staying on the charts for 43 weeks and sold two million copies; Johnny's early struggles to find his voice.