As the old expression goes, all good things must come to an end.  And so Nancy Wilson’s 37-album, 20-year tenure at Capitol Records ended in 1980 with the release of Take My Love.    At Capitol, Wilson had proved her mastery of Broadway, Hollywood, traditional vocal jazz, fusion jazz, pop and soul, and had collaborated with the likes of George Shearing, Cannonball Adderley, Kenny Gamble and Leon Huff, Thom Bell, and Oliver Nelson.  On her final Capitol LP, Wilson enlisted producers Larry Farrow and Carolyn Johns with whom she had worked on Life,…