Question: What international Jewish non-governmental organization based in the United States did Frank Zappa deny an apology in 1979(?

Context articles: Palestinian Centre for Human Rights
Anti-Defamation League
Women's Caucus for Art
International Jewish Labor Bund
KosovaLive
IntraHealth International
Jewish Princess (song)
NGO Monitor
World Macedonian Congress
Congress Shall Make No Law...

The Palestinian Centre for Human Rights (PCHR, Arabic: المركز الفلسطيني لحقوق الإنسان‎ ‎ ) is an independent Palestinian human rights organization based in Gaza City, founded and directed by Raji Sourani.
 The non-governmental organization was established in 1995 by a group of Palestinian lawyers and human rights activists and receives funding from governmental, non-governmental, and religious sources.
The Anti-Defamation League (ADL; formerly known as the "Anti-Defamation League of B'nai B'rith") is an international Jewish non-governmental organization based in the United States.
 Describing itself as "the nation's premier civil rights/human relations agency", the ADL states that it "fights anti-Semitism and all forms of bigotry, defends democratic ideals, and protects civil rights for all", doing so through "information, education, legislation, and advocacy".
The Women's Caucus for Art (WCA), founded in 1972, is a non-profit organization based in New York City, which supports women artists, art historians, students, educators, and museum professionals.
 The WCA holds exhibitions and conferences to promote women artists and their works and recognizes the talents of artists through their annual Lifetime Achievement Award.
 Since 1975 it has been a United Nations-affiliated non-governmental organization (NGO), which has broadened its influence beyond the United States.
 Within the WCA are several special interest causes including the Women of Color caucus, Eco-Art Caucus, Jewish Women Artist Network, International Caucus and the Young Women's Caucus.
 The founding of the WCA is seen as a "great stride" in the feminist art movement.
The International Jewish Labor Bund was a New York-based international Jewish socialist organization, based on the legacy of the General Jewish Labour Bund founded in the Russian empire in 1897 and the Polish Bund that was active in the interwar years.
 The IJLB is composed by local Bundist groups around the world.
 It was an "associated organisation" of the Socialist International, similar in status to the World Labour Zionist Movement or the International League of Religious Socialists.
 The World Coordinating Council/Committee of the Jewish Labor Bund was dissolved in New York in the mid-2000s.
 , although local Bundist groups or groups inspired by the Jewish Labor Bund still exist in France, the UK, Australia and the State of Israel .
KosovaLive was founded in 2000 at the time when there was a growing need for an independent news agency that would be serving the flourishing media scene in Kosovo.
 Initially established as a non-governmental organization, it came to light with the initiative and support of the Organization for Security and Co-operation in Europe (OSCE), and start-up grant provided by a consortium of donors, among which Swiss Foreign Ministry, OSI, United States Agency for International Development (USAID) through IREX, German Foreign Ministry and Press Now, just to mention the most prominent ones.
 For years, the internet based news agency KosovaLive served as the main source of information for most of the leading daily newspapers and broadcasters, as well as local and international governmental and non-governmental institutions/organizations working in Kosovo.
 In its second years of existence, turned into a subscription only internet based news agency, while continuing to be one of the most trusted and most widely used independent news sources.KosovaLive today is a much larger organization than at its start.
 KosovaLive NGO, which continues its media related activities within its non-governmental organization mandate, has given birth to KosovaLive Media Group, which in turn houses two entities.
 The first being Kosovalive 360, which is increasing its status of one of the Kosovo's most reliable news portals, and SociaLive, which provides ever increasing up to date advertising and social media markeeting.
IntraHealth International is a non-profit organization based in Chapel Hill, North Carolina, U.S.A. dedicated to working with developing countries to improve their public health capabilities.
 Originally established as a program of the medical school of the University of North Carolina at Chapel Hill in 1979, IntraHealth became an independent non-governmental organization in 2003.
 The organization has worked in more than 50 countries, and is currently active in 28.
"Jewish Princess" is a song by Frank Zappa released on his album "Sheik Yerbouti" in 1979.
 The song is a humorous look at the Jewish-American princess stereotype which attracted attention from the Anti-Defamation League, to which Zappa denied an apology, arguing: "Unlike the unicorn, such creatures do exist — and deserve to be 'commemorated' with their own special opus".
 In an interview with Spin magazine he was almost offended saying, "…as if to say there is no such thing as a Jewish Princess.
 Like I invented this?"
NGO Monitor (Non-governmental Organization Monitor) is a non-governmental organization based in Jerusalem, which analyzes and reports on the output of the international NGO community from a pro-Israel perspective.
 It has been characterized as being pro-Israel and as right-wing.
 NGO Monitor says in its mission statement that it was founded "to promote accountability, and advance a vigorous discussion on the reports and activities of humanitarian NGOs in the framework of the Arab–Israeli conflict."
The World Macedonian Congress (shortened as WMC or SMK; "Macedonian: Светски македонски конгрес; Svetski makedonski kongres ") is a non-formal parliament of the ethnic Macedonians.
 It consider itself as an organization fighting and demanding for more human rights to ethnic Macedonians on an international level, but is seen as an ultranationalist organization by independent researchers and media.
 It is officially registered as a non-governmental organization based in the Republic of Macedonia.
 The organization was registered during the fall of communism, on 15 September 1990 by Todor Petrov, who is also the president of the organization.
 Closely related to the World Macedonian Congress are certain Macedonian organizations in the neighboring countries of Macedonia from whom with larger importance, the Macedonian Party in Albania, the OMO Ilinden in Bulgaria, and the Democratic Party of the Macedonians in Kosovo founded by the organization’s member Ismail Boyda.
Congress Shall Make No Law... is an album by Frank Zappa, released posthumously in 2010 by the Zappa Family Trust on Zappa Records.
 It contains a full recording of Zappa's September 19, 1985, testimony before the United States Senate Committee on Commerce, Science and Transportation, during which he spoke in support of the recording industry and against censorship.
 In his testimony, Zappa criticized the Parents Music Resource Center, formed in 1985 with the stated goal of increasing parental control over the access of children to recordings deemed to have violent, drug-related or sexual themes by labeling them with Parental Advisory stickers.
 The album's release commemorates the 25th anniversary of the hearings.