ChopinScript is based on Polonaise by Phil Martin (1923-2005). Chopin Script is on page 20 Script and Cursive Alphabets: 100 Complete Fonts by Dan X. Solo and also on page 97 of The Solotype Catalog of 4,147 Display Typefaces.
This was originally released as a True Type font in 1999 by Claude who signed the font then as Diogene. The new OpenType font had been expanded with ornaments and accented characters. The True Type font released in 1999 is included in the download.