input: Beginning in 1970 interests in Asian classical music and a wish to be able to find the intervals he had been using in his work led Young to pursue studies with Pandit Pran Nath. Fellow students included Zazeela, composers Terry Riley, Michael Harrison, and Yoshi Wada, philosophers Henry Flynt and Catherine Christer Hennix and many others.  Young considers The Well-Tuned Piano--a permuting composition of themes and improvisations for just-intuned solo piano--to be his masterpiece. Young gave the world premiere of The Well-Tuned Piano in Rome in 1974, ten years after the creation of the piece. Previously, Young had presented it as a recorded work. In 1975, Young premiered it in New York with eleven live performances during the months of April and May. As of October 25, 1981, the date of the Gramavision recording of The Well-Tuned Piano, Young had performed the piece 55 times. In 1987, Young performed the piece again as part of a larger concert series that included many more of his works. This performance, on May 10, 1987, was videotaped and released on DVD in 2000 on Young's label, Just Dreams. Performances have exceeded six hours in length, and so far have only been documented several times. It is strongly influenced by mathematical composition as well as Hindustani classical music practice.  Since the 1970s, Young and Zazeela have realized a long series of semi-permanent Dream House installations, which combine Young's just-intuned sine waves in elaborate, symmetrical configurations and Zazeela's quasi-calligraphic light sculptures. In July 1970 a model short-term Dream House was displayed to the public at Galerie Heiner Friedrich in Munich, Germany. Later, model Dream House environments were presented in various locations of Europe and the United States. In 1974, the two released Dream House 78' 17". From January through April 19, 2009, Dream House was installed in the Solomon R. Guggenheim Museum in New York as part of The Third Mind exhibition. A Dream House installation exists today at the Mela Foundation on 275 Church Street, New York above the couple's loft, and is open to the public.  In 2002, Young, along with Marian Zazeela, and senior disciple Jung Hee Choi founded the Just Alap Raga Ensemble. This ensemble, performing Indian classical music of the Kirana Gharana, merges the traditions of Western and Hindustani classical music, with Young applying his own compositional approach to traditional raga performance, form, and technique.

Answer this question "Have any albums been released since 1970?"
output: In 1974, the two released Dream House

Question: King was born in Long Beach, California, into a conservative Methodist family, the daughter of Betty (nee Jerman), a housewife, and Bill Moffitt, a firefighter. Billie Jean's family was athletic. Her mother excelled at swimming, her father played basketball, baseball and ran track. Her younger brother, Randy Moffitt, became a Major League Baseball pitcher, pitching for 12 years in the major leagues for the San Francisco Giants, Houston Astros, and Toronto Blue Jays.

In 1982, King was 38 years old and the twelfth-seed at Wimbledon. In her third round match with Tanya Harford of South Africa, King was down 7-5, 5-4 (40-0) before saving three match points to win the second set 7-6(2) and then the third set 6-3. King said in her post-match press conference, "I can't recall the previous time I have been so close to defeat and won. When I was down 4-5 and love-40, I told myself, 'You have been here 21 years, so use that experience and hang on.'" In the fourth round, King upset sixth-seeded Australian Wendy Turnbull in straight sets. King then upset third-seeded Tracy Austin in the quarterfinals 3-6, 6-4, 6-2 to become the oldest female semifinalist at Wimbledon since Dorothea Douglass Lambert Chambers in 1920. This was King's first career victory over Austin after five defeats and reversed the result of their 1979 Wimbledon quarterfinal. King said in her post-match press conference, "Today, I looked at the scoreboard when I was 2-0 in the third set and the '2' seemed to be getting bigger and bigger. In 1979, when I was up 2-0 at the same stage, I was tired and didn't have anything left. But today I felt so much better and was great mentally." Two days later in the semifinals, which was King's 250th career match at Wimbledon in singles, women's doubles, and mixed doubles, the second-seeded Chris Evert defeated King on her fifth match point 7-6(4), 2-6, 6-3. King was down a set and 2-1 in the second set before winning five consecutive games to even the match. King explained that she actually lost the match in the first set by failing to convert break points at 15-40 in the second and fourth games.  She reached the semifinals in her final appearance at Wimbledon, losing to Andrea Jaeger 6-1, 6-1 after beating Kathy Jordan in the quarterfinals, seventh-seeded Wendy Turnbull in the fourth round, and Rosemary Casals, her longtime doubles partner, in the third round. Jaeger claims that she was highly motivated to defeat King because King had defeated Turnbull, a favorite of Jaeger's, and because King refused a towel from an attendant just before her match with Jaeger, explaining, "I'm not going to sweat in this match."  King became the oldest WTA player to win a singles tournament when she won the Edgbaston Cup grass court tournament in Birmingham at 39 years, 7 months and 23 days after a straight-sets victory in the final against Alycia Moulton. The final official singles match of King's career was a second round loss to Catherine Tanvier at the 1983 Australian Open.

Using a quote from the above article, answer the following question: What made her decide to retire?
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