Which relative pronoun is missing?

An article about a tap dancer :
Ms. Sullivan, 25, is based in Los Angeles, grew up in both schools.
Though there is no dialogue or singing, there is a recorded piano-and-string score, by the young composer Nikos Syropoulos, fuses jazz with chamber music
Source : http://www.nytimes.com/2013/08/07/arts/dance/melinda-sullivan-brings-gone-to-ailey-citigroup-theater.html?ref=arts&_r=0

An article about Warhol's death and grave
Warhol, died in 1987, would have been 85 on Tuesday.
The grave has become a pilgrimage site for Warhol fans, often leave pop art mementoes like Campbell’s Soup cans.

Source : http://artsbeat.blogs.nytimes.com/2013/08/06/on-warhols-birthday-a-live-video-feed-streams-from-his-grave/?ref=arts

From an article about Warhol's death and grave
It’s also the centerpiece of “Figments: Conversations With Andy,” a long-running project by the artist Madelyn Roehrig, in she documents visitors to the grave and the notes and objects they leave there.
The Webcam’s static shot is reminiscent of “Empire,” Warhol’s 1964 movie focused for eight hours on the Empire State Building
Source : http://artsbeat.blogs.nytimes.com/2013/08/06/on-warhols-birthday-a-live-video-feed-streams-from-his-grave/?ref=arts

An article about George Duke, a famous jazz musician
George Duke, began his career as a jazz pianist in the 1960s but made his name by crossing musical boundaries, died on Monday in Santa Monica, Calif. He was 67.
He had suffered heart complications after being treated for chronic lymphocytic leukemia, said his manager, Darryl Porter, confirmed the death.
Mr. Duke, as a small boy begged his mother to buy him a piano after she took him to see Duke Ellington, began playing professionally at a time many musicians were interested in blending genres.
Collaborating with Mr. Clarke, he wrote and sang “Sweet Baby,” a ballad became his first pop hit, reaching No. 19 on the Billboard singles chart in 1981.
He also worked with other major names in fusion, including the drummer Billy Cobham, with he was co-leader of a band in the 1970s, and the bassist Stanley Clarke, with he formed the Clarke/Duke Project in 1981.
Among the other singers records he produced were Jeffrey Osborne, Angela Bofill, the duo A Taste of Honey and the jazz vocalist Dianne Reeves, who was his cousin.
His song “I Love You More” was sampled by Daft Punk for the 2001 hit “Digital Love.”
Source : http://www.nytimes.com/2013/08/07/arts/music/george-duke-crossover-musician-with-frank-zappa-dies-at-67.html?ref=music

From an article about an act of vandilism in Washington DC :
National Park Service workers were removing paint on Friday had been splattered on the Lincoln Memorial in Washington
The officer said green paint had been tossed on the white marble statue of the 16th president looks onto the National Mall
Source : http://www.voanews.com/content/reuters-lincoln-memorial-cleaned--after-vandalism/1710783.html