question: Who is the spouse of the performer of song Hold On (Rosanne Cash Song)?
context: Title: Rosanne Cash
  Passage: Rosanne Cash (born May 24, 1955) is an American singer-songwriter and author. She is the eldest daughter of country musician Johnny Cash and Vivian Liberto Cash Distin, Johnny Cash's first wife. Although Cash is often classified as a country artist, her music draws on many genres, including folk, pop, rock, blues, and most notably Americana. In the 1980s, she had a string of chart-topping singles, which crossed musical genres and landed on both the country and pop charts, the most commercially successful being her 1981 breakthrough hit "Seven Year Ache", which topped the U.S. country singles charts and reached the Top 30 on the U.S. pop singles charts. In 1990, Cash released "Interiors", a spare, introspective album which signaled a break from her pop country past. The following year, in 1991, Cash ended her marriage and moved from Nashville to New York City, where she has continued to write, record, and perform. Since 1991 she has released six albums, written three books, and edited a collection of short stories. Her fiction and essays have been published in "The New York TimesRolling StoneThe Oxford AmericanNew York Magazine", and other periodicals and collections. Cash won a Grammy Award in 1985 for "I Don't Know Why You Don't Want Me" and has received 12 other Grammy nominations. She has had 11 No. 1 country hit singles, 21 Top 40 country singles, and two gold records. Cash was the 2014 recipient of Smithsonian magazine's American Ingenuity Award in the Performing Arts category. On February 8, 2015, Cash won three Grammy awards for Best Americana Album for "The River & the Thread", Best American Roots Song with John Leventhal and Best American Roots Performance for "A Feather's Not A Bird". Cash was honored further on October 11, 2015, when she was inducted into the Nashville Songwriters Hall of Fame. Cash was portrayed, as a child, by Hailey Anne Nelson in "Walk the Line", the 2005 Academy-award-winning film about her father's life.
  Title: Hold On (Rosanne Cash song)
  Passage: "Hold On" is a song written and recorded by American country music artist Rosanne Cash. It was released in February 1986 as the third single from the album "Rhythm and Romance". The song reached #5 on the "Billboard" Hot Country Singles & Tracks chart.
answer: John Leventhal
citations: Hold On (Rosanne Cash song) Rosanne Cash