<page_title> Allen Eager </page_title> <section_title> As sideman </section_title> <table> <cell> 1957 <col_header> Year recorded </col_header> </cell> <cell> Gerry Mulligan <col_header> Leader </col_header> </cell> <cell> The Gerry Mulligan Songbook <col_header> Title </col_header> </cell> </table>
In 1957, Eager recorded The Gerry Mulligan Songbook under Mulligan's leadership.