Question: Falling Slowly was featured in the soundtrack of the Irish musical written by whom?

Context paragraphs:
Markéta Irglová: Markéta Irglová (] ; born 28 February 1988) is a Czech singer-songwriter, musician and actress.  In 2008 she won the Academy Award for Best Original Song for "Falling Slowly", which was co-written with Glen Hansard.

Brewing Up a Storm: "Brewing Up a Storm" is the best known song of the Irish musical ensemble The Stunning, popular in the late 1980s and early 1990s.  It featured as the sixth track on the 1990 album "Paradise in the Picturehouse", the second track on the 1992 album "Once Around the World" and the fourth track on 1994's "Milking the Hits".  The song has become an anthem and can still be heard in football stadiums and clubs around Ireland to this day.  It is now also heard as the theme tune to the current affairs television programme "Capital D" and has also featured on the soundtrack to the 1991 film "The Commitments".

Falling Slowly: "Falling Slowly" is a song in the indie folk and indie rock genres that was written, composed and performed by Glen Hansard and Markéta Irglová.  The song was featured on the soundtrack of the 2007 Irish musical romance film "Once", which starred Hansard and Irglová, and for which it won the Academy Award for Best Original Song at the 80th Academy Awards.  The song was also recorded by Hansard's band The Frames.

Once (film): Once is a 2007 Irish romantic musical film written and directed by John Carney.  The film stars Glen Hansard and Markéta Irglová as two struggling musicians in Dublin, Ireland.  Hansard and Irglová had previously performed music as the Swell Season, and composed and performed the film's original songs.

Once (musical): Once is a musical based on the 2007 film of the same name by John Carney.  Like the film, music and lyrics were by Glen Hansard and Markéta Irglová, including the Academy Award-winning "Falling Slowly".  The book for the musical was written by Enda Walsh.  The musical premiered at the New York Theatre Workshop in 2011, before transferring to Broadway in 2012.  The production received eleven 2012 Tony Award nominations, and won eight including Best Musical, Best Actor and Best Book.  The musical also won the 2012 Drama Desk Award for Outstanding Musical and the 2013 Grammy Award for Best Musical Theater Album.  It has since spawned a London production, with a North American Tour which started on 1 October 2013.

I Want You (Shana album): I Want You is the first album from freestyle music singer Shana, released in 1989 by Vision Records.  Three singles were released from the album, "I Want You", which reached No. 40 on the "Billboard" Hot 100 chart in the United States, "You Can't Get Away", which reached No. 82, and "Falling Slowly", which failed to chart.

Highland (Irish): A highland is an Irish musical form in duple meter, largely idiomatic of Donegal.  Like the fling, it is related to the Scottish highland fling and the hornpipe, found throughout the British Isles.  Like its Scottish cousin, a fling is played in cut time and has a dotted rhythm.  Like the Scottish strathspey, quarter notes may sometimes be articulated as triplets or Scots snaps. However, unlike the strathspey, these Scots snaps are usually less sharply articulated.  They are also played more slowly than reels and are strongly accented on the first beat, which tends to be a note quarter note in length.  A typical fling has a 32-bar form divided into two parts, each consisting of eight bars which are repeated: AABB.

Ballad of the Irish Horse: Ballad of the Irish Horse is an album released by the Irish musical group The Chieftains in 1986.  The album serves as the soundtrack for a National Geographic documentary, "The Ballad of the Irish Horse", which documented the history and tradition of horses in Ireland.

Walker and Williams in Dahomey: Walker and Williams In Dahomey (1903-1905) is a black musical written by Jesse A. Shipp as a satire on the American Colonization Society's back-to-Africa movement.  Regarded as "the first full-length musical written and played by blacks to be performed at a major Broadway house”, In Dahomey is lauded as a marquee turning point for African American representation in vaudeville theater.  It featured lyrics by poet Paul Laurence Dunbar, music by popular ragtime musician Will Marion Cook, and was produced by Harry Seamon and McVon Hurtig.  The musical starred leading comedians George Walker and Bert Williams, two iconic figures of vaudeville entertainment at the time.  In Dahomey opened in the New York Theater on February 18, 1903.  The musical ran for 53 completed performances, including two tours in the United States and one tour of the United Kingdom.  In total, "In Dahomey" ran for a combined total of four years.

The Swell Season (album): The Swell Season is the self-titled and first album by the duo The Swell Season, (Glen Hansard and Markéta Irglová), released in 2006.  "Falling Slowly" went on to be nominated for a Grammy and win the Academy Award for Best Original Song in 2008.

Supporting paragraphs: Falling Slowly Once (film)
Answer: John Carney