Question: Who successfully "crossed over" to pop music and was one of the most influential, successful and acclaimed vocalists of the 20th century, who released an EP on April 20, 1962 ?

Context articles: Tabu Ley Rochereau
Patsy Cline
Taqtuqa
Reinhold Niebuhr
Madurai Mani Iyer
She's Got You (EP)
Henrietta Mears
Architecture of Provence
Carmen McRae
Michigan J. Frog

Pascal-Emmanuel Sinamoyi Tabu (13 November 1937 or 1940 – 30 November 2013), better known as Tabu Ley Rochereau, was a leading African rumba singer-songwriter from the Democratic Republic of the Congo.
 He was the leader of "Orchestre Afrisa International", as well as one of Africa's most influential vocalists and prolific songwriters. Along with guitarist Dr Nico Kasanda, Tabu Ley pioneered soukous (African rumba) and internationalised his music by fusing elements of Congolese folk music with Cuban, Caribbean and Latin American rumba.
 He has been described as "the Congolese personality who, along with Mobutu, marked Africa's 20th century history."
 He was dubbed "the African Elvis" by the "Los Angeles Times".
 After the fall of the Mobutu regime, Tabu Ley also pursued a political career.
 His musical career ran parallel to the other great Congolese rhumba bandleader and rival Franco Luambo Makiadi who ran the band TPOK Jazz throughout the 1960s, 1970s and 80s.
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.
A taqtūqa (Arabic: طـقطـوقـة plural: taqātīq, طـقـاطـيـق) is a genre of light Arabic vocal music sung in regional or colloquial Arabic.
 It was associated with female vocalists around the turn of the 20th century, and became very popular during the first decades of the 20th century, as the gramophone and cinema grew in popularity.
Karl Paul Reinhold Niebuhr ( ; June 21, 1892June 1, 1971) was an American theologian, ethicist, commentator on politics and public affairs, and professor at Union Theological Seminary for more than 30 years.
 Niebuhr was one of America's leading public intellectuals for several decades of the 20th century and received the Presidential Medal of Freedom in 1964.
 A public theologian, he wrote and spoke frequently about the intersection of religion, politics, and public policy, with his most influential books including "Moral Man and Immoral Society" and "The Nature and Destiny of Man", the second of which Modern Library ranked one of the top 20 nonfiction books of the twentieth century.
 Andrew Bacevich labelled Niebuhr's book "The Irony of American History" "the most important book ever written on U.S. foreign policy."
 Historian Arthur Schlesinger Jr. described Niebuhr as "the most influential American theologian of the 20th century" and "Time" posthumously called Niebuhr "the greatest Protestant theologian in America since Jonathan Edwards."
Madurai Mani Iyer (Tamil: மதுரை மணி ஐயர் ) (October 25, 1912 – June 8, 1968) was a Carnatic music singer, who was famous for his unique style.
 He was one of the most highly celebrated carnatic vocalists during the first half of the 20th century.
 He, along with his contemporaries Semmangudi Srinivasa Iyer and G.N. Balasubramaniam, are referred to as the 20th century male trinity of Carnatic music.
 He was renowned for his adept skills at singing kalpana swarams, neraval, and raga alapana.
 His music continues to be highly regarding today.
She's Got You is an EP released by American country music singer, Patsy Cline on April 20, 1962.
 It was the second EP Cline released in that year.
Henrietta Cornelia Mears (October 23, 1890 – March 19, 1963) was a Christian educator, evangelist and author who had a significant impact on evangelical Christianity in the 20th century and one of the founders of the National Sunday School Association Best known as the innovative and dynamic Director of Christian Education at First Presbyterian Church of Hollywood, California and in charge of the college and young adult people in the mid 1900s, she built a dedicated, enthusiastic staff, trained and mentored her teachers and implemented a graded, age-appropriate curriculum from “cradle roll” to adults.
 Henrietta lectured and wrote passionately about Sunday school’s power to teach others the Bible.
 Within two years Sunday School attendance at Hollywood “Pres” was averaging more than 4,200 per week.
 She served in leading the Sunday School program from 400 to 6500.
 Henrietta Mears taught the college age program herself.
 Henrietta Mears was one of the most influential Christian leaders of the 20th Century.
 She founded , a publishing company for many of her training materials, Forest Home, a Christian conference center nestled in a wooded setting of California's coastal range, and , and profoundly impacted the ministries of Bill Bright and Vonette Zachary Bright (Campus Crusade), Jim Rayburn (Young Life) and Billy Graham (Billy Graham Evangelistic Association) and Louis Evans, Jr. who was the organizing pastor of Bel Air Church (where Ronald Reagan and many other stars attended) and led the congregation of the National Presbyterian Church, Washington, D.C. with her emphasis on Scripture and a clear Gospel message for young people.
 Mears is believed by many theologians to have most directly shaped Bill Bright’s Four Spiritual Laws, which defined modern evangelism in the 20th century.
The Architecture of Provence includes a rich collection of monuments from the Roman Empire; Cistercian monasteries from the Romanesque Period, medieval palaces and churches; fortifications from the time of Louis XIV, as well as numerous hilltop villages and fine churches.
 Provence was a very poor region after the 18th century, but in the 20th century it had an economic revival and became the site of one of the most influential buildings of the 20th century, the Unité d'Habitation of the architect Le Corbusier in Marseille.
Carmen Mercedes McRae (April 8, 1922 – November 10, 1994) was an American jazz singer.
 She is considered one of the most influential jazz vocalists of the 20th century and is remembered for her behind-the-beat phrasing and ironic interpretation of lyrics.
 McRae was inspired by Billie Holiday, but she established her own voice.
 She recorded over sixty albums and performed worldwide.
Michigan J. Frog is an animated cartoon character who debuted in the Merrie Melodies cartoon "One Froggy Evening" (December 31, 1955), written by Michael Maltese and directed by Chuck Jones.
 In this cartoon, partly inspired by a 1944 Cary Grant film entitled "Once Upon a Time", Michigan is a male frog who wears a top hat, carries a cane, sings pop music, ragtime, Tin Pan Alley hits, and other songs from the late 19th and early 20th century while dancing and performing acrobatics in the style of early 20th century vaudeville.
 He appeared in a later cartoon titled "Another Froggy Evening" which was released on October 6, 1995.
 He was also a former mascot of The WB Television Network from that year until 2005, and after "The Night of Favorites and Farewells", he was shown as the final image of a white silhouette bowing down to viewers, bringing up The CW Television Network.