I have always loved classical & neo-classical story ballets. Also ballets that are plotless but traditional in style ( for example Balanchine's the Crystal Palace (Music: Bizet's Symphony in C) and Jewels ( music by Strawinsky, Faure, Tchaikofsky)
I have just written a libretto featuring the German musician Robert Schumann. The work is meant to be a romantic and classical ballet. to the music of Schumann's works.
A friend who teaches dance has disappointed me saying that classical ballet is a dying art !! I sincerely hope and believe she is wrong since crowds always flock to see the Nutcracker, Giselle, the Swan Lake, Sleeping Beauty, and other romantic productions.