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"Cecilia" is a song written by US musician Paul Simon. It was first recorded by Simon & Garfunkel for their 1970 album Bridge Over Troubled Water. When released as a single, it reached #4 in the US charts. The single did not chart in the UK, despite being released as the follow-up to Simon and Garfunkel's number one hit "Bridge Over Troubled Water".
The songwriter suggests that the "Cecilia" of the title refers to St. Cecilia, patron saint of music  in the Catholic tradition, and thus the song might refer to the frustration of fleeting inspiration in songwriting, the vagaries of musical fame or in a wider sense the absurdity of pop culture. The song is generally interpreted as a lament over a capricious lover who causes both anguish and jubilation to the singer. St. Cecilia is mentioned in another Paul Simon song, "The Coast" (from his 1990 album The Rhythm of the Saints): "A family of musicians took shelter for the night in the little harbor church of St. Cecilia."
Chart performance 
|Australian Singles Chart
|Austrian Top 40
|Belgian Singles Chart (Flanders)
|Canadian Singles Chart
|Dutch Top 40
|German Singles Chart
|Swiss Singles Chart
|U.S. Billboard Hot 100
Cover versions 
- In 1970, a cover version was released in 1970 by UK group Harmony Grass, which did not chart. French-speaking American musician Joe Dassin sang a French version of this song in 1970, while in February 1971, a version was released in England by the New Wave Band (a group that comprised three members of the band that would soon become 10cc) and Herman's Hermits guitarist Derek Leckenby. It did not chart.
- In 1971, a cover version was recorded by the Serbian and former Yugoslav acoustic music duo Vlada i Bajka.
- In 1988, a cover version by California-based dance duo Times Two was released; it did not chart.
- In 1993, the British version of the ABBA tribute performers Björn Again recorded a cover for their album Flashback.
- In 1995, a cover version by Suggs (the lead singer of UK pop band Madness) that appeared on his debut solo album The Lone Ranger, became his most successful single, reaching #4 in the UK, and selling more than 500,000 copies.
- In 2009, guitarist Jesse Cook did a cover version of the song on his album, The Rumba Foundation. It featured Jeremy Fisher on vocals.
- In 2009, Indie rock band Local Natives covered the song.
- In 2010, the song was covered on Gaelic Storm's album Cabbage, which was released on August of that year.
Live cover performances 
The song was performed on April 6, 2011 on Late Night with Jimmy Fallon by Simon accompanied by Jimmy Fallon and the cast of Stomp.
This song was performed live in 2012 by Singer Songwriter male vocalist Imaginary Friend aka Jessie Epstien, the opening act for Kina Grannis on her European, American and World Tours.
References in other songs 
In 1998, Swedish pop band Ace of Base released a Europop track titled "Cecilia" from their album Flowers, which continues the story of the Paul Simon's character. Jenny Berggren, lead vocalist for the band, sings, "This is a song about a well-known girl", then tells of Cecilia's continuous bouncing back and forth between lovers.