Contemporary folk music refers to a wide variety of genres that emerged in the mid 20th century and afterwards which were associated with traditional folk music.
 Starting in the mid-20th century a new form of popular folk music evolved from traditional folk music.
 This process and period is called the (second) folk revival and reached a zenith in the 1960s.
 The most common name for this new form of music is also "folk music", but is often called "contemporary folk music" or "folk revival music" to make the distinction.
 The transition was somewhat centered in the US and is also called the American folk music revival.
 Fusion genres such as folk rock, folktronica, and others also evolved within this phenomenon.
 While contemporary folk music is a genre generally distinct from traditional folk music, it often shares the same English name, performers and venues as traditional folk music; even individual songs may be a blend of the two.
Clarence "Tom" Ashley (September 29, 1895 – June 2, 1967) was an American musician and singer, who played the clawhammer banjo and the guitar.
 He began performing at medicine shows in the Southern Appalachian region as early as 1911, and gained initial fame during the late 1920s as both a solo recording artist and as a member of various string bands.
 After his "rediscovery" during the folk revival of the 1960s, Ashley spent the last years of his life playing at folk music concerts, including appearances at Carnegie Hall in New York and at the Newport Folk Festival in Rhode Island.
Buell Kazee (August 29, 1900 - August 31, 1976) was an American country and folk singer.
 He is considered one of the most successful folk musicians of the 1920s and experienced a career comeback during the American folk music revival of the 1960s due in part to his inclusion on the "Anthology of American Folk Music".
Alf Cranner (born 25 October 1936 in Oslo) is a major Norwegian folk singer, lyricist and painter.
 He is considered by many as the pioneer of the Norwegian folk music wave of the 1960s.
 The citation for the award of Evert Taube Memorial Fund Grant 1994, to Cranner states: «Det är motiverat att anse honom som sin tids fader för den norska viskonsten» (It is motivated by the regard of him as the father of the Norwegian folk music genre).
 He is known for several popular folk music interpretations and beautiful folk tunes, including these: "Å, den som var en løvetann" with lyrics by another great Norwegian folk singer and lyricist Alf Prøysen (1914–1970), "Bare skrap" and "Den skamløse gamle damen" with lyrics by Klaus Hagerup and "Sjømannsvise" with the text of Harald Sverdrup.
 Among Cranner folk songs with his own lyrics is "Båt til lyst" and "Hambo i fellesferien" two of the best known.
 The folk song "Din tanke er fri", is Cranner translation of the German "Die Gedanken sind frei".
Joan Chandos Baez ( ; born January 9, 1941) is an American folk singer, songwriter, musician, and activist whose contemporary folk music often includes songs of protest or social justice, Baez has performed publicly for over 59 years, releasing over 30 albums.
 Fluent in Spanish and English, she has recorded songs in at least six other languages.
 She is regarded as a folk singer, although her music has diversified since the counterculture days of the 1960s and now encompasses everything from folk rock and pop to country and gospel music.
 Although a songwriter herself, Baez generally interprets other composers' work, having recorded songs by the Allman Brothers Band, the Beatles, Jackson Browne, Leonard Cohen, Woody Guthrie, Violeta Parra, The Rolling Stones, Pete Seeger, Paul Simon, Stevie Wonder, Bob Dylan and many others.
 In recent years, she has found success interpreting songs of modern songwriters such as Ryan Adams, Josh Ritter, Steve Earle and Natalie Merchant.
 Her recordings include many topical songs and material dealing with social issues.
Kum ba yah (""Come by Here"") is a spiritual song first recorded in the 1920s.
 It became a standard campfire song in Scouting and summer camps and enjoyed broader popularity during the folk revival of the 1950s and 1960s.
Anthony D. "Tony" Saletan is an American folk singer and educator, who is responsible for the modern rediscovery of two of the genre's best-known songs, "Michael Row the Boat Ashore" and "Kumbaya."
 Born and raised in New York City, he attended the Walden School and received his bachelor's and master's degrees from Harvard University.
 For a brief period during his childhood, Saletan's piano teacher was a young Leonard Bernstein.
 He was involved as a teen in the Henry Wallace presidential campaign of 1948, in which original music in the folk style was important.
 Saletan settled in the Boston area, where for several years he appeared on educational television (WGBH), taught music in the Newton, Massachusetts public schools and gave private guitar lessons.
 He also became involved in folk dancing and calling of contra dances. Saletan has often taught at Pinewoods Camp, in Plymouth, Massachusetts.
 Later in life, Saletan moved to Tacoma, Washington.
"Down by the Bay" is a traditional children's song.
 A famous version was performed by Raffi and appears on his 1976 album "Singable Songs for the Very Young".
 In recent years, the song had gained popularity as a campfire song among the Scouting Movement in Britain.
"Cumberland Gap" is an Appalachian folk song that likely dates to the latter half of the 19th century and was first recorded in 1924.
 The song is typically played on banjo or fiddle, and well-known versions of the song include instrumental versions as well as versions with lyrics.
 A version of the song appeared in the 1934 book, "American Ballads and Folk Songs", by folk song collector John Lomax.
 Woody Guthrie recorded a version of the song at his Folkways sessions in the mid-1940s, and the song saw a resurgence in popularity with the rise of bluegrass and the American folk music revival in the 1950s.
 In 1957, the British musician Lonnie Donegan had a No. 1 UK hit with a skiffle version of "Cumberland Gap".
Skiffle is a music genre with jazz, blues, folk and American folk influences, usually using a combination of manufactured and homemade or improvised instruments.
 Originating as a term in the United States in the first half of the 20th century, it became popular again in the UK in the 1950s, where it was associated with artists such as Lonnie Donegan, The Vipers Skiffle Group, Ken Colyer and Chas McDevitt.
 Skiffle played a major part in beginning the careers of later eminent jazz, pop, blues, folk and rock musicians and has been seen as a critical stepping stone to the second British folk revival, blues boom and British Invasion of the US popular music scene.

Question: Anthony D. "Tony" Saletan is an American folk singer and educator, who is responsible for the modern rediscovery of two of the genre's best-known songs, one being which spiritual song first recorded in the 1920s, and it became a standard campfire song in Scouting and summer camps and enjoyed broader popularity during the folk revival of the 1950s and 1960s?
Answer: Kum ba yah