Polka in the United States is an example of the way some polka bands have tried to break free of the restrictions of genre and adapt to modern culture. From tiny ethnic dance halls to larger-scale national organizations, there is a huge network of people working to keep the polka alive. One Web site lists a total of 49 formal polka clubs nationwide, and there are many other smaller organizations . The largest organizations today include the International Polka Association (IPA), the United States Polka Association, the Polka Lovers Klub of America (Po.L.K. of A.), the Cleveland-Style Polka Hall of Fame, the Penn-Ohio Polka Pals,
Polonaise-Fantaisie (Chopin) and Vladimir Horowitz had been including it in their programs some decades earlier. It is intimately indebted to the polonaise for its metre, much of its rhythm, and some of its melodic character, but the fantaisie is the operative formal paradigm (Samson, 1988), and Chopin is said to have referred initially to the piece only as a Fantasy. Parallels with the Fantaisie in F minor include the work's overall tonality, A-flat, the key of its slower middle section, B major, and the motive of the descending fourth. Jeffrey Kallberg has suggested that the Polonaise-Fantaisie represents a change in Chopin's style