There were at least 3. It started with music from Titanic, changed to something else at Julie Harris, then changed to Angels in America with John Kerr.
It was "What a Wonderful World," which was a hit song for Louis Armstrong in 1968. At the 2012 Academy Awards, it was performed by Grammy winner Esperanza Spalding and the Southern California Children's Chorus.
Gary David Goldberg has: Played himself in "Today" in 1952. Played Scooterman in "The Adventures of Scooterman" in 1972. Played Himself - Presenter: Best Drama Series in "The 31st Annual Emmy Awards" in 1979. Played himself in "The 9th Annual TV Land Awards" in 2011. Played Himself - In Memoriam Tribute in "The 65th Primetime Emmy Awards" in 2013.
Paul Sharratt has: Played himself in "The 17th Annual TV Week Logie Awards" in 1975. Played himself in "The 18th Annual TV Week Logie Awards" in 1976. Played himself in "The 19th Annual TV Week Logie Awards" in 1977. Played himself in "The 20th Annual TV Week Logie Awards" in 1978. Played Narrator in "The Secret Life of Leonardo Da Vinci" in 2006. Played Himself (in memoriam) in "52 Annual TV Week Logie Awards" in 2010.
It was from the movie's soundtrack.
how to find the names of all the songs played during the movie black snake moan including the ones that were not included on the soundtrack
That song is not played in Twilight, but Linkin Parks's "Leave Out All The Rest" is on the soundtrack. It is played during the credits.
It's called Passacaglia from the Battlestar Galactica season 1 soundtrack.
Jenni Rivera has: Played herself in "El show de Cristina" in 1989. Played herself in "Cotorreando" in 2000. Played herself in "Don Francisco presenta" in 2002. Played herself in "2006 Billboard Latin Music Awards" in 2006. Played herself in "Diosas gruperas" in 2007. Performed in "Addicto de Salsa" in 2009. Played herself in "Rock Dinner" in 2009. Played herself in "2009 Alma Awards" in 2009. Played herself in "Eva Luna" in 2010. Played Herself - Performer in "The 11th Annual Latin Grammy Awards" in 2010. Played herself in "I Love Jenni" in 2011. Played Herself - Performer in "Billboard Mexican Music Awards" in 2011. Played Maria Tonorio in "Filly Brown" in 2012. Played Herself - In Memoriam in "The 55th Annual Grammy Awards" in 2013.
Claude Nobs has: Played Himself, at Montreux in "Yesspeak" in 2003. Played himself in "Yes: Live at Montreux 2003" in 2007. Played Himself - In Memoriam in "The 55th Annual Grammy Awards" in 2013. Played himself in "Experience Montreux" in 2013. Played himself in "Nina Simone Love Sorceress... Forever" in 2013.
Hoffa
Sid Bernstein has: Performed in "Good to Go" in 1986. Played Himself - music promoter in "Biography" in 1987. Played himself in "Sid Bernstein Presents..." in 2010. Played himself in "The Beatles: The Lost Concert" in 2012. Played Himself - Beatles Promoter (In Memoriam) in "The 56th Annual Grammy Awards" in 2014.
Martin Richards has: Played Boy in "Mexican Hayride" in 1948. Played himself in "Inside the Actors Studio" in 1994. Played Himself - Winner: Best Picture in "The 75th Annual Academy Awards" in 2003. Played himself in "Party Planner with David Tutera" in 2004. Played himself in "... A Father... A Son... Once Upon a Time in Hollywood" in 2005. Played himself in "From Stage to Screen: The History of Chicago" in 2005. Played Himself - Producer (In Memoriam) in "The 67th Annual Tony Awards" in 2013.