Question: Are Onew and Judith Durham both singers?

full_context: Document 1: Jun. K: Kim Min-jun (; born January 15, 1988), better known by his stage name Jun. K, is a South Korean singer, songwriter, record producer, rapper, dancer and actor. He is the main vocalist of 2PM.
Document 2: Judith Durham: Judith Mavis Durham (born Judith Mavis Cock; 3 July 1943) is an Australian singer and musician who became the lead singer for the Australian popular folk music group The Seekers in 1963. The group subsequently became the first Australian pop music group to achieve major chart and sales success in the United Kingdom and the United States, and have sold over 50 million records worldwide. Durham left the group in mid-1968 to pursue her solo career. In 1993, Durham began to make sporadic recordings and performances with The Seekers, though she remains primarily a solo performer.
Document 3: Lee Tae-min: Lee Tae-min (born July 18, 1993), better known by the mononym Taemin, is a South Korean singer and actor. He debuted as a vocalist of the group Shinee in May 2008 under S.M. Entertainment. He began his acting career in 2009 with MBC's comedy "Tae Hee, Hye Kyo, Ji Hyun" as Junsu.
Document 4: Australia's Own Judith Durham: Australia's Own Judith Durham is a compilation album released in Australia in 1971 by Australian recording artist Judith Durham.
Document 5: Shinee: Shinee ( ; Korean: 샤이니; Japanese: シャイニー; stylized as SHINee) is a South Korean boy group formed by S.M. Entertainment in 2008. The group is composed of five members: Onew, Jonghyun, Key, Minho and Taemin.
Document 6: Onew: Lee Jin-ki (born (1989--) 14, 1989 ), better known by his stage name Onew, is a South Korean singer and actor. Born in Gwangmyeong, Gyeonggi-do, Onew was discovered at the 2006 S.M. Academy Casting and signed the contract with S.M Entertainment the day after his audition. He debuted as one of the lead vocalists of boy group Shinee in May 2008, who went on to become one of the best-selling artists in South Korea.
Document 7: Here Am I (Judith Durham album): Here Am I is the first international compilation album by Australian recording artist Judith Durham. The album contains tracks from Durham's two studio album, "Gift of Song" and "Climb Ev'ry Mountain" both on A&M Records. The album was released in October 1972 and was the final release of Durham's on that label.
Document 8: For Christmas with Love: For Christmas with Love is a 1968 Christmas album by Australian recording artist Judith Durham. It was her first solo studio album after leaving The Seekers in July 1968. the album was recorded in Hollywood and Judith headlined her own concert tours across New Zealand and Australia.
Document 9: Seungri: Lee Seung-hyun (Hangul: 이승현; born December 12, 1990), better known by his stage name Seungri (Hangul: 승리, "Victory") and V.I when performing in Japan, is a South Korean singer, songwriter, record producer, actor, and entrepreneur. In the mid-2000s, Seungri rose to prominence as one of three vocalists and youngest member of the South Korean boy band Big Bang under YG Entertainment, which eventually became one of the best-selling digital group of all-time in Asia and one of the best-selling boy bands in the world. With the release of the group's second studio album "Remember" (2008), in which the second single released, "Strong Baby", was performed solely by Seungri, he began to adopt a more mature image as an artist.
Document 10: Dusty Springfield: Mary Isobel Catherine Bernadette O'Brien, (16 April 1939 – 2 March 1999), better known as Dusty Springfield, was an English pop singer and record producer whose career extended from the late 1950s to the 1990s. With her distinctive sensual mezzo-soprano sound, she was an important blue-eyed soul singer and at her peak was one of the most successful British female performers, with six top 20 singles on the US "Billboard" Hot 100 and sixteen on the UK Singles Chart from 1963 to 1989. She is a member of the US Rock and Roll and UK Music Halls of Fame. International polls have named Springfield among the best female rock artists of all time. Her image, supported by a peroxide blonde bouffant hairstyle, evening gowns, and heavy make-up, as well as her flamboyant performances made her an icon of the Swinging Sixties.
Document 11: Live in London (Judith Durham album): Live in London is a 2014 live album by Australian recording artist Judith Durham. The album was recorded in London in 2003 to celebrate Durham's 60th birthday. The album released on CD and digitally in October 2014.
Document 12: Judith Durham and The Hottest Band in Town: Judith Durham and The Hottest Band in Town is the fourth studio album from Australian recording artist Judith Durham.
Document 13: Key (entertainer): Kim Ki-bum (born September 23, 1991), better known by his stage name Key, is a South Korean singer, actor, fashion designer and television presenter. Born and raised in Daegu, South Korea, he later travelled to Seoul after a successful audition at the S.M. National Tour Audition Casting. In 2008, Key debuted as a member of South Korean boy group Shinee, who later went on to become one of the best-selling artists in Korea. Key is widely recognised as a singer, but he has also ventured into different careers, notably as an actor and fashion designer.
Document 14: Jang Jin-young (singer): Jang Jin-young (born July 1, 1983) is a South Korean singer and the former lead singer of the boy group Black Beat. He's currently more active as a vocal trainer for S.M. Entertainment's artists, particularly SHINee, EXO and Red Velvet.
Document 15: The Golden Jubilee Album: The Golden Jubilee Album is a compilation album by Australian band The Seekers. The album was released in November 2012, to celebrate 50 years since Judith Durham started her new job at an advertising agency in Melbourne and met account executive Athol Guy. Guy invited Durham to sit in with his mates Keith Potger and Bruce Woodley and perform in a little Melbourne coffee lounge called 'Treble Clef' on 3 December 1962. The quartet became known as The Seekers and released their first studio album in 1963, titled "Introducing the Seekers".
ground_truth: yes