Question: Kozmic Blues was performed by Janis Joplin as part of which iconic festival set?

full_context: Document 1: Kacee Clanton: Kacee Clanton (born Kellie Kristine Clanton) is a Los Angeles–based singer, songwriter, stage actress and performance coach who has worked as a background vocalist for recording artists Beth Hart, Joe Cocker, and Luis Miguel and toured as lead vocalist with Big Brother and the Holding Company. She has played Janis Joplin in the musical "Love, Janis" and was the alternate lead on Broadway in the Tony-nominated musical "A Night With Janis Joplin." She is also a vocal and performance instructor at Los Angeles College of Music. Both her music and vocals have been used in a variety of films, TV shows, and video games.
Document 2: Farewell Song: Farewell Song is a 1982 collection of nine previously unreleased recordings of Janis Joplin with Big Brother and the Holding Company, the Kozmic Blues Band, and Full Tilt Boogie. Tracks include "Cheap Thrills"-era outtakes and live performances; "Misery 'N", "Farewell Song", and "Catch Me Daddy".
Document 3: Janis Joplin: Janis Lyn Joplin ( ; January 19, 1943 – October 4, 1970) was an American rock singer and songwriter. She was one of the biggest female rock stars of her era. After releasing three albums, she died of a heroin overdose at age 27. A fourth album, "Pearl", was released in January 1971, just over three months after her death. It reached number one on the "Billboard" charts.
Document 4: I Got Dem Ol' Kozmic Blues Again Mama!: I Got Dem Ol' Kozmic Blues Again Mama! is a 1969 studio album by Janis Joplin. It was the first solo studio album Joplin recorded after leaving her former band, Big Brother and the Holding Company, and the only one released in her lifetime ("Pearl" was released 3 months after Joplin's death).
Document 5: Etta James: Etta James (born Jamesetta Hawkins; January 25, 1938 – January 20, 2012) was an American singer who performed in various genres, including blues, R&B, soul, rock and roll, jazz and gospel. Starting her career in 1954, she gained fame with hits such as "The Wallflower", "At Last", "Tell Mama", "Something's Got a Hold on Me", and "I'd Rather Go Blind". She faced a number of personal problems, including heroin addiction, severe physical abuse, and incarceration, before making a musical comeback in the late 1980s with the album "Seven Year Itch".
Document 6: Patsy Cline: Patsy Cline (born Virginia Patterson Hensley; September 8, 1932 – March 5, 1963) was an American country music singer. Part of the late 1950s/early 1960s Nashville sound, Cline successfully "crossed over" to pop music and was one of the most influential, successful and acclaimed vocalists of the 20th century. She died at the age of 30 in a multiple-fatality crash of the private plane of her manager, Randy Hughes.
Document 7: Jimi Plays Monterey: Jimi Plays Monterey is a posthumous live album by Jimi Hendrix released in February 1986. The album documents The Jimi Hendrix Experience's performance at the Monterey Pop Festival on June 18, 1967. As well as songs from the band's debut album "Are You Experienced", "Monterey" also includes covers of "Killing Floor" (Howlin' Wolf), "Like a Rolling Stone" (Bob Dylan), "Rock Me Baby" (B. B. King) and "Wild Thing" (Chip Taylor). The version of "Wild Thing" on the album is one of the most notable live performances ever, as, in an iconic moment in rock history, he sets his guitar alight after the song and then smashes it.
Document 8: Seth Morgan (novelist): Seth David Morgan (April 4, 1949 - October 17, 1990) was an American novelist, who published one book, "Homeboy" (1990), and was working on a second novel when he died. He is also notable because he was Janis Joplin's fiancḗ at the time of her death, in October 1970.
Document 9: Move Over!: Move Over! is an album by Janis Joplin released for Record Store Day 2011. The album contains unreleased, rare and alternate songs from all three of Joplin's backing bands, Big Brother and the Holding Company, Kozmic Blues Band and Full Tilt Boogie Band.
Document 10: Rare Pearls: Rare Pearls is a 1999 collection of rare Janis Joplin Studio recordings with Big Brother and the Holding Company and live performances with The Kozmic Blues Band. It was released only as part of the box set "Box of Pearls" (1999), which contained reissues of all of Joplin's albums with added bonus tracks, and this compilation.
Document 11: Janis (1975 album): Janis is a collection of performances by Janis Joplin, issued in 1975 as a compilation album containing film soundtrack and live recordings. Disc one is subtitled "From the soundtrack of the motion picture "Janis" (with substituted performances of 'Piece of my Heart' and 'Cry Baby')". In addition to concert recordings from Toronto and Frankfurt, there are several short TV-interviews. Disc two contains recordings from Austin, Texas (1963 and 1964), plus four recordings from San Francisco (1965). The album booklet contains a photo documentary, with 22 pictures from Janis Joplin's life and career.
Document 12: Kozmic Blues: "Kozmic Blues" is a song from Janis Joplin's "I Got Dem Ol' Kozmic Blues Again Mama!" album, her first after departing Big Brother and the Holding Company. It was a part of Joplin's set at Woodstock Festival in 1969. Although the concert as a whole is not regarded as Joplin at her best, that specific performance became very popular and was released on "The Essential Janis Joplin".
Document 13: Live at the Carousel Ballroom 1968: Live at the Carousel Ballroom 1968 is a live album by Big Brother and the Holding Company featuring Janis Joplin. The album was recorded by Owsley Stanley in 1968, and released on March 12, 2012, on the one-year anniversary of his death in an automobile accident. He had previously been supervising the development and release of this album right up to the time of his death on March 12, 2011. The album is dedicated to him, and set to the specifications Stanley set prior to his death.
Document 14: The Essential Glen Campbell Volume One: The Essential Glen Campbell Volume One is the first of a series of three albums which cover Glen Campbell's recordings for Capitol Records between 1962 and 1979. The tracks are presented in a non-chronological order. All three Essential CDs contain, next to single and albums tracks, previously unreleased recordings. On The Essential Glen Campbell Volume One, these are "Twelve Blues", "I Walk the Line" (a jazz version of the Johnny Cash hit) and "Blue Sky Shining", from a 1979 recording session led by Nelson Riddle. The Essential albums are also notable for containing some of the songs from The Artistry of Glen Campbell, the only original studio album by Glen Campbell that has not been released on CD or as a digital download. Included here are "Banjo Garden" and "Shenandoah".
Document 15: Climbing!: Climbing!, also known as Mountain Climbing!, is the official debut studio album by American blues rock band Mountain. Released on March 7, 1970, the album featured the 'classic' Mountain lineup of Leslie West (guitar, vocals), Felix Pappalardi (bass, vocals, piano), Corky Laing (drums, percussion) and Steve Knight (keyboards) and followed the West solo album "Mountain" featuring Pappalardi and drummer Norman Smart, released in 1969 and often credited to the band. Produced by Pappalardi, the album reached number 17 on the American "Billboard" 200 albums chart and featured the band's best-known song, "Mississippi Queen". An early rendition of "For Yasgur's Farm" was actually performed at the Woodstock Festival in August 1969 as Who Am I But You And The Sun. It was subsequently recorded and retitled for the album.
ground_truth: Woodstock