雲の影
In November 1972, during the middle of the European leg of their 1972 world tour and again in January 1973, Pink Floyd performed with the Roland Petit Ballet. The set list for which their portion of the ballet was choreographed to was "One of These Days", "Careful with That Axe, Eugene", "Obscured by Clouds", "When You're In", "Childhood's End" and "Echoes"