Glass Pieces
... that in preparation for the ballet Glass Pieces, choreographer Jerome Robbins marked down the structure of Philip Glass's music on graph paper?
... that in preparation for the ballet <i id="mwBOo"><b id="mwBOs"><a href="./Glass_Pieces" id="mwBOw" rel="mw:WikiLink" title="Glass Pieces">Glass Pieces</a></b></i>, choreographer <a href="./Jerome_Robbins" id="mwBO0" rel="mw:WikiLink" title="Jerome Robbins">Jerome Robbins</a> marked down the structure of <a href="./Philip_Glass" id="mwBO4" rel="mw:WikiLink" title="Philip Glass">Philip Glass</a>'s music on graph paper?