Question: Mangal, born in Laghman is a prominent Afghan singer, who started in the early 1970s, he and his ex-wife Naghma, were a popular musical duo, Naghma is a prominent Afghan singer, who started her career in which time period?
Context: Naghma (Pashto: نغمه, born 1 January 1964 ) is a prominent Afghan singer who started her career in the early 1980s.  She and her ex-husband, Mangal, were a popular musical duo who dominated the Afghan music scene during the 1980s and early 1990s.  Naghma sings in Pashto and Dari (Persian).  Her music is popular in Afghanistan, Tajikistan and among Pashtuns in Pakistan.  She is one of the most popular female artists in Afghanistan and continues to be the voice and face of Pashtun traditional music. Abdul Rahman Pazhwak (Pashto: عبدالرحمن پژواک‎ ; born March 7, 1919 – June 8, 1995) was an Afghan poet and diplomat.  He was educated in Afghanistan and started out his career as a journalist, but eventually joined the foreign ministry.  During the 1950s he became ambassador to the United Nations, and served as president of the UN General Assembly from 1966 to 1967.  During the early 1970s he served for short periods as Afghan ambassador to West Germany and India.  In 1976 he became ambassador to the United Kingdom.  He served in that position until the 1978 communist coup.  He then returned to Afghanistan and was put under house arrest.  He was allowed to leave for medical treatment in 1982.  He received asylum in the United States, where he lived until 1991, when he moved to Peshawar, Pakistan. Darka & Slavko (in Ukrainian "Дарка й Славко") was a popular musical duo of two first generation Ukrainians: Darka Konopada & Slavko Halatyn met in the mid-80's through their involvement with a Ukrainian college group's poetry reading for political prisoners.  Here began a ten-year musical collaboration as well as an eight-year marriage. Ghulam Dastagir Shaida ( Dari استاد غلام دستگیر شیدا ) Ustad Ghulam Dastagir (1916–1970) was an Afghan singer and musician.  Ustad Shaida was born in the Kharabat neighborhood of Kabul, home of Kabul musicians who sung in classical Indian tradition.  Ustad Shaida is considered as one of the great Ustads of Afghan classical music along with Ustad Sarahang and Ustad Rahim Bakhsh.  His unique voice and style of singing resulted in fellow Kharabat musicians bestowing upon him the title of Shaida, which in Sufi tradition means one who has sacrificed himself for divine love. Faiz Karizi (Persian: فيض كاريزي) (born 1953) is a popular Afghan singer.  He is ranked as the most prolific folkloric singer of Afghanistan and has been referred to as that country’s “King of Folklore Music.”  Now based out of Sweden, he often tours Europe, United States and most recently Australia for performances. Seema Tarana (also spelled as Sima Tarana; Persian: سیما ترانه) is an Afghan singer originally from Parwan.  She is popular in Afghanistan and Tajikistan.  She currently resides in Canada from where she continues her music career.  She has two new music videos and they are: Bewafa and Bache Zargar Mangal (Pashto: منگل‎ ), born in Laghman is a prominent Afghan singer who started in the early 1970s.  He and his ex-wife, Naghma, were a popular musical duo who dominated Afghan music scene during the 1970s and early 1990s.  Mangal sings in Pashto and Dari.  His music is popular in Afghanistan, and Pakistan. Rukhshana (Pashto: رخشانه‎ ) is an Afghan singer.  In the 1960s and 1970s, she, along with Zheela, are recognized as the top two female singers of the country.  She currently resides in Los Angeles and has not participated in any musical acts since her immigration to the United States. Momin Khan Beltoon (Pashto: مومن خان بیلتون‎ ; Persian: مومن خان بيلتون‎ ‎ ) was an Afghan singer from Kabul Province, Afghanistan.  He was born in Chakari village of Khaki Jabbar District, Kabul.  However, he spent most of his life in Logar Province of Afghanistan.  Beltoon sang in both Persian and Pashto languages.  His style of music reflects the Kharabat style of Kabul.  Beltoon's father died before he was born, and his mother did so when he was young.  He was raised by his sister in Logar Province of Afghanistan.  Beltoon learned the rubab and tanbur at a young age.  He started singing at the age of 15.  His first song was in both Persian and Pashto. Parasto Persian: پرستو‎ ‎ , born Nooria is an Afghan singer.  She has been a singer since the 1970s and rose to fame with her former husband Rahim Mehryar.
Answer: early 1980s