<P> By 1993, their relationship had thawed again, and Simon invited Garfunkel on an international tour with him . Following a 21 - date, sold - out run at the Paramount Theater in New York and an appearance at that year's Bridge School Benefit in California, the duo toured the Far East . The duo had a falling out over the course of the rest of the decade, the details of which have never been disclosed . Simon thanked Garfunkel at his 2001 induction into the Rock and Roll Hall of Fame as a solo artist: "I regret the ending of our friendship . I hope that some day before we die we will make peace with each other," resuming after a pause, "No rush ." They were awarded a Lifetime Achievement Award at the 45th Annual Grammy Awards in 2003, for which the promoters convinced them to reconcile and open the show with a performance of "The Sound of Silence ." The performance was satisfying for both musicians, and they planned out a full - scale reunion tour over the summer . The Old Friends tour began in October 2003 and played to sold - out audiences across the United States for 30 dates until mid-December . The tour earned an estimated $123 million . Following a twelve - city run in Europe in 2004, they ended their nine - month tour with a free concert along Via dei Fori Imperiali, in front of the Colosseum in Rome . It attracted 600,000 fans, even more than their The Concert in Central Park . In 2005, Simon and Garfunkel performed three songs for a Hurrican Katrina benefit concert in Madison Square Garden . The duo performed Mrs. Robinson, and Homeward Bound . Bridge Over Troubled Water was then performed by the duo with singer Aaron Neville . </P> <P> In 2007, the duo reunited again for three songs during Simon's two - night engagement at New York's Beacon Theatre . This led to meetings in 2008 and a reunion tour of Asia and Australia in June 2009 . Their headlining set at the 2010 New Orleans Jazz and Heritage Festival was very difficult for Garfunkel, who was experiencing serious vocal problems . "I was terrible, and crazy nervous . I leaned on Paul Simon and the affection of the crowd," he told Rolling Stone several years later . Garfunkel was diagnosed with vocal cord paresis, and the remaining tour dates were postponed indefinitely . His manager, John Scher, informed Simon's camp that Garfunkel would be ready within a year, which did not happen, leading to poor relations between the two . Despite tensions, Simon continued to publicly wish his old friend Artie better health and gave him praises for his then angelic voice . Garfunkel regained his vocal strength over the course of the next four years, performing shows in a Harlem theater and to underground audiences . </P> <P> Despite this, the duo have not staged a full - scale tour or performed shows since 2010 . Garfunkel confirmed to Rolling Stone in 2014 that he believes they will tour in the future, although Simon had been too "busy" in recent years . "I know that audiences all over the world like Simon and Garfunkel . I'm with them . But I don't think Paul Simon's with them," he remarked . In a 2016 interview with NPR's David Greene, when asked about the possibility of reuniting, Simon stated; "Well, I don't think most people do (constantly want Simon to relive the olden days). The fact is, is, like, we did do two big reunions, and we're done . There's nothing really much to say . You know, the music essentially stopped in 1970 . And, you know, I mean, quite honestly, we don't get along . So it's not like it's fun . If it was fun, I'd say, OK, sometimes we'll go out and sing old songs in harmony . That's cool . But when it's not fun, you know, and you're going to be in a tense situation, well, then I have a lot of musical areas that I like to play in . So that'll never happen again . That's that ." </P> <P> Over the course of their career, Simon & Garfunkel's music gradually moved from a very basic folk rock sound to incorporate more experimental elements for the time, including Latin and gospel music . Many adolescents of the 1960s found their music relevant, while adults regarded them as intelligent . Their music, according to Rolling Stone, struck a chord among lonely, alienated young adults near the end of the decade . </P>

When was the last time simon & garfunkel performed together