" John Kander : Hidden Treasures," produced by The Musical Theater Project's Harbinger Records as part of the label's Songwriter Showcase Series, spans the composer's work from 1950-2015. Comprising 49 tracks, the two-CD set boasts recordings made by the composer in 1950 at Oberlin College as well as demos recorded by Kander and Fred Ebb over a 30-year period and new recordings featuring Broadway stars.