NEW YORK (AP) — Stephen Sondheim, the songwriter who reshaped the American musical theater in the second half of the 20th century with his intelligent, intricately rhymed lyrics, his use of evocative melodies and his willingness to tackle unusual subjects, has died. He was 91.

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Sondheim’s death was announced by Rick Miramontez, president of DKC/O&M. Sondheim’s Texas-based attorney, Rick Pappas, told The New York Times the composer died Friday at his home in Roxbury, Connecticut.

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Sondheim influenced several generations of theater songwriters, particularly with such landmark musicals as “Company,” “Follies” and “Sweeney Todd,” which are considered among his best work. His most famous ballad, “Send in the Clowns,” has been recorded hundreds of times, including by Frank Sinatra and Judy Collins.

The artist refused to repeat himself, finding inspiration for his shows in such diverse subjects as an Ingmar Bergman movie (“A Little Night Music”), the opening of Japan to the West (“Pacific Overtures”), French painter Georges Seurat (“Sunday in the Park With George”), Grimm’s fairy tales (“Into the Woods”) and even the killers of American presidents (“Assassins”), among others.

Tributes quickly flooded social media as performers and writers alike saluted a giant of the theater. “We shall be singing your songs forever,” wrote Lea Salonga. Aaron Tveit wrote: “We are so lucky to have what you’ve given the world.”

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“The theater has lost one of its greatest geniuses and the world has lost one of its greatest and most original writers. Sadly, there is now a giant in the sky,” producer Cameron Mackintosh wrote in tribute.

Six of Sondheim’s musicals won Tony Awards for best score, and he also received a Pulitzer Prize (“Sunday in the Park”), an Academy Award (for the song “Sooner or Later” from the film “Dick Tracy”), five Olivier Awards and the Presidential Medal of Honor. In 2008, he received a Tony Award for lifetime achievement.

Sondheim’s music and lyrics gave his shows a dark, dramatic edge, whereas before him, the dominant tone of musicals was frothy and comic. He was sometimes criticized as a composer of unhummable songs, a badge that didn’t bother Sondheim. Frank Sinatra, who had a hit with Sondheim’s “Send in the Clowns,” once complained: “He could make me a lot happier if he’d write more songs for saloon singers like me.”

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The artist refused to repeat himself, finding inspiration for his shows in such diverse subjects as an Ingmar Bergman movie (“A Little Night Music”), the opening of Japan to the West (“Pacific Overtures”), French painter Georges Seurat (“Sunday in the Park With George”), Grimm’s fairy tales (“Into the Woods”) and even the killers of American presidents (“Assassins”), among others.

Tributes quickly flooded social media as performers and writers alike saluted a giant of the theater. “We shall be singing your songs forever,” wrote Lea Salonga. Aaron Tveit wrote: “We are so lucky to have what you’ve given the world.”

“The theater has lost one of its greatest geniuses and the world has lost one of its greatest and most original writers. Sadly, there is now a giant in the sky,” producer Cameron Mackintosh wrote in tribute.

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Six of Sondheim’s musicals won Tony Awards for best score, and he also received a Pulitzer Prize (“Sunday in the Park”), an Academy Award (for the song “Sooner or Later” from the film “Dick Tracy”), five Olivier Awards and the Presidential Medal of Honor. In 2008, he received a Tony Award for lifetime achievement.

Sondheim’s music and lyrics gave his shows a dark, dramatic edge, whereas before him, the dominant tone of musicals was frothy and comic. He was sometimes criticized as a composer of unhummable songs, a badge that didn’t bother Sondheim. Frank Sinatra, who had a hit with Sondheim’s “Send in the Clowns,” once complained: “He could make me a lot happier if he’d write more songs for saloon singers like me.”

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