Question: Which documentry was released first Baghdad ER or This Changes Everything?

Context paragraphs:
The Brains (album): The Brains is the debut album by The Brains.  It was released in 1980 and contains the original recording of "Money Changes Everything", which, when released three years later, became a substantial hit single for pop singer Cyndi Lauper.

Love Changes Everything (song): Love Changes Everything is a song from the musical "Aspects of Love", composed by Andrew Lloyd Webber, with a lyric written by Charles Hart and Don Black.  It is first sung in the musical by the character Alex Dillingham, which was originated by Michael Ball in both the London and Broadway casts.  The song was released as a single in 1989, also sung by Ball, and stayed in the UK singles chart for 14 weeks, peaking at #2 and becoming Ball's signature tune.  The song was later featured on Ball's 1992 self-titled debut album and "Love Changes Everything: The Collection".

A Moment Changes Everything: "A Moment Changes Everything" is the first single taken from David Gray's ninth studio album "Foundling".  The song was at one point scheduled to be included on a re-release of Gray's previous album "Draw the Line", together with other unreleased tracks from that album's sessions.  Promotional singles of "A Moment Changes Everything" were released to radio stations with the text ""brand new single A MOMENT released 31st May 2010, Re-Release of Draw The Line with bonus material 7th June 2010"" on the sleeve.  The re-release was eventually withdrawn in favour of a brand new studio album, with "A Moment Changes Everything" being released as the lead single.

Matthew O'Neill (filmmaker): Matthew O'Neill is a documentary filmmaker best known for his work on the HBO film "Baghdad ER", for which he and co-creator Jon Alpert won three Emmy Awards.

Michael Ball (album): Michael Ball is the debut album by British singer Michael Ball.  It was released in 1992 by Polydor Records and peaked at number one on the UK Albums Chart.  The album includes the UK Top 40 singles "Love Changes Everything", from the musical "Aspects of Love", and "One Step Out of Time", which was the United Kingdom's entry at the Eurovision Song Contest 1992, held in Malmö, Sweden.

Living Out Loud (album): Living Out Loud is the second studio album by Canadian country music singer Aaron Lines.  The album was released by RCA Nashville, and was Lines' first album to be released in the United States.  It was nominated for Country Recording of the Year at the 2004 Juno Awards.  In the U.S., the album produced two chart singles in "You Can't Hide Beautiful" and "Love Changes Everything".  The former peaked at #4 on Hot Country Songs and #38 on the "Billboard" Hot 100, while the latter peaked at #40 on the US country charts.

This Changes Everything (film): This Changes Everything is a 2015 documentary film directed by Avi Lewis, a companion project of the book "" by Naomi Klein.

This Changes Everything (album): This Changes Everything is the first studio album by Cana's Voice.  StowTown Records released the album on May 27, 2016.

A Baby Changes Everything: "A Baby Changes Everything" is a song by American country singer Faith Hill.  It was the first single released from her album "Joy to the World".  It was her thirteenth single release to AC radio, and in late 2008, the song spent three weeks at number one on the "Billboard" Adult Contemporary chart.

Baghdad ER: Baghdad ER is a documentary released by HBO on May 21, 2006.  It shows the Iraq war from the perspective of a military hospital in Baghdad.  It has some relatively disturbing scenes in it (e.g. amputations), therefore the U.S. Army is officially warning that military personnel watching it could experience symptoms of post-traumatic stress disorder (PTSD).

Supporting paragraphs: Baghdad ER This Changes Everything (film)
Answer: Baghdad ER