Question: The song "Hallelujah" has been touted as the best song ever, who wrote "Hallelujah"?

Context paragraphs:
The Bad &amp; The Better: The Bad & The Better is the third studio album by American electropop singer-songwriter The Ready Set.  The album title was announced on March 18, 2014 along with the track listing.  It was released on May 27, 2014 by Razor & Tie Records.  The album was released as a 4 tracks-EP featuring the singles "Higher", "Freaking Me Out" and "Give Me Your Hand (Best Song Ever) plus the song "Carry Me Home" digitally outside the United States.

Eurovision Song Contest 2006: The Eurovision Song Contest 2006 was the 51st Eurovision Song Contest, held at the Nikos Galis Olympic Indoor Hall in Athens, Greece on 18 May (for the semi-final) and 20 May 2006 (for the final).  The hosting national broadcaster of the contest was Hellenic Broadcasting Corporation (ERT).  The Finnish band Lordi won the contest with the song "Hard Rock Hallelujah", written by lead singer Mr. Lordi.  "Hard Rock Hallelujah" was the first ever hard rock song to win the contest, since Eurovision is normally associated with softer pop music and schlager.  This was Finland's first victory in Eurovision after waiting forty-five years.  It is also noted that they scored the same amount of points in the semi-final and the grand final.

Hallelujah (EP): Hallelujah is a 7-track EP by Madchester band Happy Mondays released in the US and Australia in 1989 and featuring a number of remixes by Paul Oakenfold.  "Hallelujah (MacColl Mix)" was created by Steve Lillywhite and features Kirsty MacColl.  Oakenfold remixed "Hallelujah" with Andrew Weatherall and "Rave On" with Terry Farley.  The club mix of "Hallelujah" was ranked at number 11 in "NME"'s list of "The 50 Best Remixes Ever".

Best Song Ever: "Best Song Ever" is a song recorded by English-Irish boy band One Direction.  It was released on 22 July 2013 by Syco as the lead single from the group's third studio album, "Midnight Memories".  The song was written and composed by Wayne Hector, Ed Drewett and Matt Rad, along with the band's regular collaborators Julian Bunetta and John Ryan.

Hallelujah! (gospel song): "Hallelujah!"  is a 1992 song from "", a Grammy award winning Reprise Records concept album.  The song is a soulful re-interpretation of the "Hallelujah" chorus from "Messiah, "George Frideric Handel's well-known oratorio from 1741.  It is performed by a choir of all-star gospel, contemporary Christian, R&B and jazz singers, along with several actors.  The song was arranged and produced by Take 6 alumnus Mervyn Warren, and conducted by Quincy Jones.  "Handel's Messiah: A Soulful Celebration" won the Grammy Award for Best Contemporary Soul Gospel Album in 1992, as well as a Dove Award for Contemporary Gospel Album of the Year.

Steal My Girl: "Steal My Girl" is a song written and recorded by English-Irish boy band One Direction.  It is the lead single from their fourth studio album "Four" (2014).  It was released worldwide on 29 September 2014.  The single was written by band members Louis Tomlinson and Liam Payne and regular collaborators Wayne Hector, John Ryan, Ed Drewett and Julian Bunetta (the four had previously written "Best Song Ever").  It was produced by Julian Bunetta, John Ryan and Pär Westerlund.  They also performed this song for the first time on their fourth concert tour, the On the Road Again Tour.

Give Me Your Hand (Best Song Ever): "Give Me Your Hand (Best Song Ever)" is the lead single by The Ready Set off of his album, The Bad & The Better.  It was released digitally and to mainstream radio on May 18, 2012.  The song was used in the soundtrack for the film "Escape from Planet Earth".  and the trailer for "The Smurfs 2".  It was also featured on the compilation album "Now That's What I Call Music!  44" as a "Now!  What's Next" bonus track.

Hallelujah (Leonard Cohen song): "Hallelujah" is a song written by Canadian singer Leonard Cohen, originally released on his album "Various Positions" (1984).  Achieving little initial success, the song found greater popular acclaim through a recording by John Cale, which inspired a recording by Jeff Buckley.

Musical selections in The Wizard of Oz: The songs from the 1939 musical fantasy film "The Wizard of Oz" have taken their place among the most famous and instantly recognizable American songs of all time, and the film's principal song, "Over the Rainbow", is perhaps the most famous song ever written for a film.  Music and lyrics were by Harold Arlen and E.Y. "Yip" Harburg, who won an Academy Award for Best Song for "Over the Rainbow".

Shawn Harris: Shawn Harris (born June 24, 1982) was the lead singer and guitarist for pop punk group The Matches.  He is an artist and has done the art for several albums, including Matchbook Romance's "Voices" and Bayside's "Shudder".  He was born in Berkeley, California, and attended Bishop O'Dowd High School in Oakland.  He is a strict vegan and has appeared on PETA's YouTube channel to explain why he chose this eating lifestyle.  He has mentioned many times that his goal in music is to write the best song ever, and he believes that Leonard Cohen's "Hallelujah" is the best song ever.

Supporting paragraphs: Shawn Harris Hallelujah (Leonard Cohen song)
Answer: Leonard Cohen