World Series appeared in 9 and won 5. As of 2018, no team has won consecutive World Series championships since the New York Yankees in , , and —the longest such drought in Major League Baseball history. Until the formation of the American Association in 1882 as a second major league, the National Association of Professional Base Ball Players (1871–1875) and then the National League (founded 1876) represented the top level of organized baseball in the United States. All championships were awarded to the team with the best record at the end of the season, without a postseason series being played. From
'50s progression for example, the ostinato bass line of Dieterich Buxtehude's setting of Psalm 42, "Quem admodum desiderat cervus", BuxWV 92: The opening of J. S. Bach's Cantata "Wachet Auf": The progression is found frequently in works by Mozart, such as his A minor Piano Sonata: The opening of his Piano Concerto 22, K482 extends the progression in a particularly subtle way, making use of suspensions: Eric Blom (1935, p.227) hears this passage as "the height of cunning contrivance resulting in what is apparently quite simple and obvious, but what could have occurred to nobody else." '50s progression The 50s progression is