Azerbaijanis express themselves in a variety of artistic ways including dance, music, and film. Azerbaijani folk dances are ancient and similar to that of their neighbors in the Caucasus and Iran. The group dance is a common form found from southeastern Europe to the Caspian Sea. In the group dance the performers come together in a semi-circular or circular formation as, "The leader of these dances often executes special figures as well as signaling and changes in the foot patterns, movements, or direction in which the group is moving, often by gesturing with his or her hand, in which a kerchief is held." Solitary dances are performed by both men and women and involve subtle hand motions in addition to sequenced steps. Lezginka, a dance shared by all Caucasus-derived or Caucasus-influenced ethnic groups, is also popular amongst Azerbaijanis.