Question: What year was the singer of "wavelength" born ?

Context paragraphs:
Artyom Melikhov: Artyom Melikhov is a Russian tenor singer who was born in Saint Petersburg.  He graduated from both the Glinka Choral School and Saint Petersburg Conservatory where he was under guidance from Yelizaveta Kudryavtseva till 2006.  In 2008 under guidance from Valery Gergiev he played a role of one of the Japanese envoys in "Le Rossignol" opera and during the same year played a soloist role in "Chimes" at the Mariinsky Theatre.  In 2009 he had his first appearance with Mariinsky Theatre where he played in an opera called "War and Peace".  That year was followed by such 2010 debuts as the "The Mystery of the Apostle Paul" in which he sang in a role of "Nero" at the Mariinsky Theatre and another "War and Peace" performance, this time at the John F. Kennedy Center for the Performing Arts.  In 2011 he became the Mariinsky Academy of Young Singers soloist and the same year performed the role of "Ovlur" in an opera called "Prince Igor" following by his appearance in "Dead Souls" and "Ariadne auf Naxos".  In May 2013 he was "Rienzi" performer at the Saratov Opera under Alexei Stepanyuk's baton and the same year sang at the Carmina Burana opera after which he went on a tour to Naples where he performed at the Teatro di San Carlo.

Larry Sparks: Larry Sparks (born September 25, 1947) is an American Bluegrass singer and guitarist.  He was the winner of the 2004 and 2005 International Bluegrass Music Association Male Vocalist of the Year Award.  2005, won IBMA for Album of the Year and Recorded Event of the Year for his album "40," celebrating his 40th year(2003) in bluegrass music.

Paul Epworth: Paul Richard Epworth (born 25 July 1974 in Bishop's Stortford, Hertfordshire) is an English music producer, musician, and songwriter.  His production and writing credits include Adele, Rihanna, and Maxïmo Park amongst many others.  On 12 February 2012 at the 54th Grammy Awards, Epworth won four Grammy Awards for Producer of the Year, Album of the Year (Adele's "21"), and Song of the Year and Record of the Year (for "Rolling in the Deep").  He won the Academy Award for Best Original Song alongside Adele, for "Skyfall".  His sister Mary Epworth is a singer and songwriter.  He is a member of the Music Producers Guild.  He also has a record label, Wolf Tone, whose artists include Glass Animals, Rosie Lowe and Plaitum.  He has won 'Producer of the Year' at the BRIT Awards three times, the most recent in 2015.  At the 59th Grammy Awards in 2017, Epworth won a Grammy for Album of the Year for his work on Adele's 25".

Joey Yung: Joey Yung (; born 16 June 1980) is a Hong Kong singer and actress signed to Emperor Entertainment Group.  Since her musical debut in 1999, Yung has won numerous awards, including the prestigious JSG 'Most Popular Female Singer' and 'Ultimate Best Female Singer – Gold' awards a record-breaking nine times, thus emerging as one of the foremost Cantonese singers of all time.  She was ranked 63rd on the 2014 Forbes China Celebrity 100, making her the most influential Hong Kong-based female singer that year.  In 2014, she reportedly earned HK$80 million (US$10.3 million).

Van Morrison: Sir George Ivan "Van" Morrison, OBE (born 31 August 1945) is a Northern Irish singer-songwriter, instrumentalist and producer.  In 2016, he was knighted for his musical achievements and his services to tourism and charitable causes in Northern Ireland.

Dean Brody: Dean Brody (born August 12, 1975) is a Canadian country music artist who has won 16 CCMA Awards and 2 JUNO Awards.  Originally signed to Broken Bow Records in 2008, Brody made his debut later that year with the single "Brothers".  This song, a Top 40 country hit in the US, was the first single from his self-titled debut album, released in 2009 under the production of Matt Rovey.  In 2010, Brody was signed to Open Road Recordings and released his second album, "Trail in Life".  In 2012, he released his third album, "Dirt", earning the 2012 CCMA Album of the Year award and a 2013 Juno nomination for Country Album of the Year.  Brody also won the 2012 and 2013 CCMA Male Artist of the Year award.  Brody's fourth album, "Crop Circles", was released in 2013.  Brody's fifth album, "Gypsy Road", was released in 2015.  Brody’s six album, "Beautiful Freakshow", was released in 2016, and recently earned the singer 3 Awards at the 2017 CCMA Awards show, including Fan’s Choice, Songwriter of the Year and Top-Selling Canadian Single of the Year for “Bush Party”.  Brody recently headlined one of the largest and most iconic venues in the country, The Budweiser Stage.

Xiao Juan and Residents From the Valley: Xiao Juan and Residents From the Valley (小娟和山谷里的居民) is a Chinese folk band founded in 1998, with Wang Xiujuan (artist name Xiao Juan) as lead singer.  She was born in Wuhan, Hubei province, and started to sing when she was 3 years old.  She studied finance and law, but decided to have a career as a singer.  In 1993, she came to Beijing as a university student, and started to write songs.  She became a full-time singer/songwriter a year later.  She first was the lead singer of the electronica duo Gemini Trip.  Xiao Juan is handicapped and cannot travel very comfortably.

Nükhet Duru: Nükhet Duru (born 19 May 1954 in Niğde) is a Turkish singer.  She started singing at Florya Deniz Club in Istanbul in 1971.  She released her first 45 album “Aklımda Sen Fikrimde Sen – Karadır Kaşların” in 1974.  It was followed by many singles like “Beni Benimle Bırak – Gerisi Vız Gelir” (1975), with which she won a Golden Plate.  Her first LP album “Bir Nefes Gibi” was released in 1977.  In that same year, Duru was awarded the “Most Successful Female Singer of the Year”.  In 1978, she participated in a song contest with Modern Folk Trio, which was held in Seoul, and won first place.  In the 1980s, she began singing Turkish Traditional music.  Besides as a pop and Turkish traditional music singer, Duru has performed on TV programs, musicals, films and TV dramas.  She has received many awards.

Arati Ankalikar-Tikekar: Arati Ankalikar-Tikekar (born in Bijapur, Karnataka) is a two-time National Award winning Indian classical singer who is active mostly in Marathi, Konkani and Hindi film Industry.  She is known for her unique high-pitch singing and style which she has earned in Agra as well as Gwalior and Jaipur- Atrauli gharanas.  Arati's performances are marked by her command over both rhythm and melody.  She received her first National Award for Best Female Playback Singer for the Konkani film 'Anternaad', based on the life of a classical singer for the year 2006.  She has also received Maharashtra State Award (best playback singer), V.Shantaram Award and Maharashtra Times Award for a Marathi Film De Dhakka (2008).  Later in 2013, she was awarded with National Award for Best Female Playback singer for the second time for a Marathi movie, Samhita.  She is married to Indian film actor Uday Tikekar.  Her daughter Swanandi Tikekar who is in her mid-twenties dabbles in acting as well.

Wavelength (song): "Wavelength" is the title song from the 1978 album by Northern Irish singer-songwriter Van Morrison.  Released as a single in 1978, it climbed to number forty two in the US charts, and stayed in the Hot 100 for eleven weeks.  According to Howard A. Dewitt, this "was the song which re-established Morrison's hit making abilities".

Supporting paragraphs: Wavelength (song) Van Morrison
Answer: 1945