Question: When did the explorer reach the city where the only group larger than the record label of The Lost Trident Sessions is headquartered?

<P0-S0> Sony Music Entertainment Inc. (sometimes known as Sony Music or by the initials, SME) is an American music corporation managed and operated by Sony Corporation of America (SCA), a subsidiary of Japanese conglomerate Sony Corporation. <P0-S1> In 1929, the enterprise was first founded as American Record Corporation (ARC) and, in 1938, was renamed Columbia Recording Corporation, following ARC's acquisition by CBS. <P0-S2> In 1966, the company was reorganized to become CBS Records. <P0-S3> It is the world's second largest recorded music company, after Universal Music Group. <P0-S4> In 1987, Sony Corporation of Japan bought the company, and in 1991, renamed it SME. <SEP> <P1-S0> jive records was an american record label under the rca music group formed in 1981 by zomba records. <P1-S1> formerly headquartered in new york city, the label was best known for a string of successes with hip hop artists in the 1980s, and also in teen pop and boy bands during the 1990s and early 2000s. <SEP> <P2-S0> Santa Monica was long inhabited by the Tongva people. <P2-S1> The first non-indigenous group to set foot in the area was the party of explorer Gaspar de Portolà, who camped near the present day intersection of Barrington and Ohio Avenues on August 3, 1769. <P2-S2> Santa Monica was called Kecheek in the Tongva language. <P2-S3> There are two different versions of the naming of the city. <P2-S4> One says that it was named in honor of the feast day of Saint Monica (mother of Saint Augustine), but her feast day is actually May 4. <P2-S5> Another version says that it was named by Juan Crespí on account of a pair of springs, the Kuruvungna Springs (Serra Springs), that were reminiscent of the tears that Saint Monica shed over her son's early impiety. <SEP> <P3-S0> biltmore records was a united states based record label active from 1949 through 1951. the label was headquartered in new york city. <P3-S1> biltmore records were often reissues of recordings no longer in the catalogues of other labels. <P3-S2> when rca victor found out that biltmore were making unauthorized reissues of material originally recorded by victor, they sued biltmore, putting biltmore out of business. <SEP> <P4-S0> The Right Stuff Records is a reissue record label that was part of EMI, which is now owned by Universal Music Group and is based out of Santa Monica, California. <SEP> <P5-S0> It was originally recorded in June 1973 at Trident Studios but was not released until 26 years later. <P5-S1> The Lost Trident Sessions is a studio album by jazz fusion group the Mahavishnu Orchestra, released on 21 September 1999 through Sony Music Entertainment. <P5-S2> According to the album's detailed liner notes, in November 1998 Columbia Records producer Bob Belden stumbled upon two quarter-inch tapes in Columbia's Los Angeles vault whilst gathering material for a remastered reissue of the Mahavishnu Orchestra's 1973 album "Birds of Fire". <P5-S3> The tapes were otherwise unlabelled besides the recording location, but upon further inspection, they were revealed to be the two-track mixes for what would have been the Mahavishnu Orchestra's third studio album at the time.