Carmen is a great ballet with the talented Roland Petit as choreographer, set to music from Georges Bizet's opera.

Etudes(1948) is a ballet by Danish dancer and choreographer Harald Lander with original score by Carl Czerny and piano studies arranged by Knudaage Riisager. It is considered Lander's most famous choreographic work and brought him international fame.

Etudes is considered an homage to classical ballet training. It is a one-act ballet that begins with traditional ballet exercises at a barre and ends with spectacular bravura displays.