Question: Us Conductors is a fictonalized novel of a relationship that included a classical violin prodigy who was the sister of a pianist named what?

Context paragraphs:
Nicky Sanders: Nicky Sanders (born August 16, 1979) is a Grammy Award-winning, American fiddle player specializing in Bluegrass music.  He is best known for his work with the band Steep Canyon Rangers along with banjo player and comedian Steve Martin.  Raised in San Francisco, he began studying classical violin at age of five.  In his youth, he acted as concertmaster of the Young People's Symphony Orchestra in Berkeley, California.  He later attended Berklee College of Music in Boston, Massachusetts, studying classical and jazz performance (violin) as well as 20th-century classical music composition.

Murray Bernthal: Murray Bernthal (April 15, 1911 – December 9, 2010) was an American musician and producer long active in Syracuse, New York.  He was a violin prodigy and a Syracuse University basketball player.

Ola Kvernberg: Ola Kvernberg (born 16 June 1981) is a Norwegian jazz musician known for his virtuosic string swing violin playing and his international performances.  He is the son of traditional musicians Liv Rypdal Kvernberg and Torbjørn Kvernberg, and the brother of traditional musicians Kari Kvernberg Dajani and fiddler Jorun Marie Kvernberg, and grandson of the fiddler and traditional music composer Peter L. Rypdal.  Kvernberg studied classical violin from the age of nine, and won 3rd prize in a great classical violin competition in Italy when he was fourteen.

Victor Arden: Victor Arden was the stage name for an American pianist named Lewis John Fuiks (8 March 1893 — 31 July 1962) who was best known as the piano duo partner of and co-orchestra leader with Phil Ohman from 1922 to 1932.  He was the pianist in the All-Star Trio, who made several hits for Victor Records between 1919 and 1921.

Nikolai Sokoloff: Nikolai Grigoryevich Sokoloff (28 May 1886 – 25 September 1965) was a Russian-American conductor and violinist.  He was born in Kiev, and studied music at Yale.  From 1916 to 1917 he was musical director of the San Francisco People's Philharmonic Orchestra, where he insisted on including women in his orchestra and paying them the same as men.  Sokoloff was the founding conductor and music director of the Cleveland Orchestra in 1918 where he remained until 1932.  Between 1935 and 1938 he directed the Federal Music Project, a New Deal program that employed musicians to perform and educate the public about music.  From 1938 to 1941 he directed the Seattle Symphony Orchestra.  When he was a conductor he gave a violin to then nine-year-old violin prodigy Yehudi Menuhin.  Sokoloff was the uncle of the pianist Vladimir Sokoloff

Us Conductors: Us Conductors is a debut novel by Canadian writer Sean Michaels.  Published in 2014 by Random House in Canada and Tin House in the United States, the novel is a fictionalized account of the relationship between Léon Theremin (also known as Lev Termen), the inventor of the theremin, and Clara Rockmore, the musician regarded as the instrument's first virtuoso player.

International Violin Competition of Indianapolis: The International Violin Competition of Indianapolis is a classical violin competition which takes place once every four years in Indianapolis, Indiana.  Since 1984, it has been a member of the World Federation of International Music Competitions.

Pure Classics: Pure Classics is a 2002 album by violinist David Garrett, published in Germany by Deutsche Grammophon and later made available in the US as David's international popularity grew.  It is a kind of "best of" collection that combines many of his previous classical violin recordings into a single album.  The following composers are represented:

Clara Rockmore: Clara Rockmore (née Reisenberg, March 9, 1911 – May 10, 1998) was a classical violin prodigy and a virtuoso performer of the theremin, an electronic musical instrument.  She was the sister of pianist Nadia Reisenberg.

Yagi Masao: Yagi Masao (November 14, 1932 - March 4, 1991) was a Japanese pianist who became devoted to American jazz very early in the wave of Japanese enthusiasm for that music.  He became a member of the Cozy Quartet in 1956 after Toshiko Akiyoshi's departure, playing alongside Sadao Watanabe.  Robin D. G. Kelley's, in his biography of Thelonious Monk, says that before his inaugural 1963 tour, "Monk's greatest champion in Japan was not a critic but a pianist named Yagi Masao.  In 1959, the twenty-six-year-old pianist formed his own group featuring several Monk tunes in their repertoire, culminating in his debut LP, "Masao Yagi Plays Thelonious Monk", recorded in the summer of 1960."  Later in the 1960s he played with Charlie Mariano, Hidehiko Matsumoto, and Helen Merrill, and in the 1970s led his own ensembles.  He was well-known as a composer and arranger, and wrote copiously for film soundtracks.

Supporting paragraphs: Us Conductors Clara Rockmore
Answer: Nadia Reisenberg