The uppercase of this font is based on Variante Initials and the lowercase is based on Stradivarius. Variante was designed by Joachim Romann and Stradivarius was designed by Imre Reiner.
Variante Initials is on page 91 and Stradivarius is on page 81 of the Script and Cursive Alphabets: 100 Complete Fonts by Dan X. Solo. Also, Variante Initials is on page 114 and Stradivarius is on page 98 of The Solotype Catalog of 4,147 Display Typefaces.