Problem: Background: Stephen Arthur Stills (born January 3, 1945) is an American singer, songwriter, and multi-instrumentalist best known for his work with Buffalo Springfield and Crosby, Stills, Nash & Young. Beginning his professional career with Buffalo Springfield, he composed one of their few hits "For What It's Worth," which became one of the most recognizable songs of the 1960s. Other notable songs he contributed to the band were "Sit Down, I Think I Love You
Context: Stills, Furay, and Young reunited in Los Angeles and formed the core of Buffalo Springfield. Legend has it that Stills and Furay recognized Young's converted hearse on the streets of LA and flagged him down, a meeting described in a recent solo track "Round the Bend." The band would release three albums: Buffalo Springfield, Buffalo Springfield Again, and Last Time Around, and enjoy only one hit single, the Stills-penned "For What It's Worth" before disbanding. A Stills song from their debut album, "Sit Down, I Think I Love You," was a minor hit for the Mojo Men in 1967.  During the disintegration of Buffalo Springfield, Stills played on the Super Session album with Al Kooper and joined up with David Crosby, who had recently been ejected from the Byrds in the autumn of 1967. At a party in Laurel Canyon, Crosby was introduced to Graham Nash by a mutual friend, Cass Elliot (formerly of the Mamas and the Papas), and Nash found himself soon joining in singing with Crosby and Stills. Renditions of the latter's "You Don't Have to Cry," led to the formation of Crosby, Stills & Nash. Several of Stills's songs, including "Suite: Judy Blue Eyes" and "You Don't Have To Cry" on the debut album were inspired by his on-again-off-again relationship with singer Judy Collins. In a 1971 interview in Rolling Stone the interviewer noted, "so many of your songs seem to be about Judy Collins." Stills replied, "Well, there are three things men can do with women: love them, suffer for them, or turn them into literature. I've had my share of success and failure at all three."  The cover photo pictured on the debut was taken on the back porch of a house in West Hollywood, which was torn down the next day. Wanting to be able to tour and needing additional musicians, the band invited Neil Young to join them for their subsequent tour and second album to make the group the quartet Crosby Stills Nash & Young.  Having played at the Monterey Pop Festival with Buffalo Springfield, and both Woodstock and Altamont with CSNY, Stills performed at all three of the iconic U.S. rock festivals of the 1960s.
Question: How long was the group together for?
Answer: 

Problem: Background: The Royal Philharmonic Orchestra (RPO), based in London, was formed by Sir Thomas Beecham in 1946. In its early days the orchestra secured profitable recording contracts and important engagements including the Glyndebourne Festival Opera and the concerts of the Royal Philharmonic Society. After Beecham's death in 1961 the orchestra's fortunes declined steeply; it battled for survival until the mid-1960s, when its future was secured after an Arts Council report recommended that it should receive public subsidy; a further crisis arose in the same era when it seemed that the orchestra's right to call itself "Royal" could be withdrawn. Since Beecham's death the RPO has had seven chief conductors, including Rudolf Kempe, Antal Dorati, Andre Previn and Vladimir Ashkenazy, and most recently Charles Dutoit.
Context: From the RPO's earliest days to the end of Beecham's life, they made numerous recordings for His Master's Voice, CBS and RCA. Among the works they recorded EMI chose several to be reissued at the end of the twentieth century in its "Great Recordings of the Century" series. They included a Delius programme; a Grieg programme; French ballet music; short works by Bizet, Chabrier, Faure and Saint-Saens; Tchaikovsky's Symphony No 4 and Nutcracker Suite; Mozart's Jupiter Symphony, Clarinet Concerto (Brymer) and Bassoon Concerto (Brooke); and Schubert's 3rd, 5th and 6th Symphonies.  After Beecham's death the orchestra made many recordings for Decca, sometimes under pseudonyms such as the "Beecham Symphony Orchestra", the "London Festival Orchestra" and the "Metropolitan Symphony Orchestra". Among the conductors with whom the RPO recorded in the 1960s were Sir John Barbirolli, Fritz Reiner, Charles Munch, Georges Pretre, Kempe, Previn and Stokowski. Soloists included Earl Wild, Shura Cherkassky, Alan Civil and Luciano Pavarotti.  Igor Stravinsky recorded his opera The Rake's Progress with the RPO in 1964. Colin Davis made some of his earliest recordings with the orchestra, including Mozart and Rossini overtures, Beethoven's Seventh Symphony, and Stravinsky's Oedipus rex. From 1964 to 1979 the RPO was engaged by Decca to record Gilbert and Sullivan operas with the D'Oyly Carte Opera Company. The orchestra has also recorded for Deutsche Grammophon, Lyrita, Philips, Pye and Unicorn-Kanchana.  In 1986, the orchestra launched RPO Records, claimed to be "the world's first record label to be owned by a symphony orchestra". Recordings available on the RPO label in 2013 ranged from core symphonic repertoire and Tchaikovsky ballet scores to film music by various composers, light music by Burt Bacharach and Richard Rodgers, and an album called "Symphonic Rock", described as "Over 3 hours of classic rock anthems and pop tracks with an orchestral twist".
Question: What was the last album that was released?
Answer:
2013 ranged from core symphonic repertoire and Tchaikovsky ballet scores to film music by various composers,