Question: How many square miles is the city where the performer of A Night at the Vanguard was born?

detroit medical center formally became a part of vanguard health systems on december 30, 2010, as a for profit corporation. vanguard has agreed to invest nearly $1.5 b in the detroit medical center complex which will include $417 m to retire debts, at least $350 m in capital expenditures and an additional $500 m for new capital investment. vanguard has agreed to assume all debts and pension obligations. the metro area has many other hospitals including william beaumont hospital, st. joseph's, and university of michigan medical center. <SEP> A Night at the Vanguard (also released as Man at Work) is a live album by guitarist Kenny Burrell recorded in 1959 at the Village Vanguard and originally released on the Argo label. <SEP> the thad jones/mel lewis jazz orchestra was a jazz big band formed by trumpeter thad jones and drummer mel lewis in new york in 1965. the band performed for twelve years in its original incarnation, including a 1972 tour of the soviet union during the height of the cold war. the band won a grammy award for the album "live in munich" and in 2009 for the album "monday night live at the village vanguard." the collaboration ended in 1978 with jones suddenly moving to copenhagen, denmark, after which the band became the mel lewis jazz orchestra. since the death of lewis in 1990 it has been known as the vanguard jazz orchestra. they have maintained a monday-night residency at the village vanguard jazz club in new york for five decades. <SEP> He eventually formed a variety act with drummer Oliver Jackson called Bop & Locke which played the Apollo Theater. He moved to New York City in 1954, and worked there with Dick Wellstood, Tony Parenti, Red Allen, Willie "The Lion" Smith, and Teddy Wilson amongst others. During this time he came under the tutelage of the great Jo Jones, and eventually became known as a driving and swinging drummer who kept solid time and supported the soloist. During the late 1950s he formed two of his most fruitful musical relationships, one with Roy Eldridge, and the other with Coleman Hawkins. Eddie Locke was a part of the fertile and vibrant Detroit jazz scene during the 1940s and 1950s, which brought forth many great musicians including the Jones brothers (Hank, Thad, and Elvin), Kenny Burrell, Lucky Thompson, Tommy Flanagan, Barry Harris, and so many others. His recording debut came with Eldridge in 1959 on "On The Town". He later became a member of the Coleman Hawkins Quartet in the 1960s along with pianist Tommy Flanagan and bassist Major Holley. That group made many fine records including the exquisite album "Today and Now", in 1963. Throughout the 1970s, he played with Roy Eldridge at Jimmy Ryan's in Manhattan, and wound out his career freelancing, as well as teaching youngsters at the Trevor Day School on Manhattan's upper west side. <SEP> Detroit is the center of a three-county urban area (population 3,734,090, area of 1,337 square miles (3,460 km2), a 2010 United States Census) six-county metropolitan statistical area (2010 Census population of 4,296,250, area of 3,913 square miles [10,130 km2]), and a nine-county Combined Statistical Area (2010 Census population of 5,218,852, area of 5,814 square miles [15,060 km2]). The Detroit–Windsor area, a commercial link straddling the Canada–U.S. border, has a total population of about 5,700,000. The Detroit metropolitan region holds roughly one-half of Michigan's population.