This is the concert program of Boston University Jazz Lab Band and MIT Festival Jazz Ensemble performance on Thursday, December 7, 1989 at 8:30 p.m., at the Boston University Concert Hall, 855 Commonwealth Avenue, Boston, Massachusetts. Works performed were Crossing Time Zones by John LaPorta, Katarina's First Song by Jamshied Sharifi, Pat Your Foot by Eric Ostling, Denial and The Change by Jamshied Sharifi, One O'clock Jump by Basie/Sebesky, Sackbut City by Rayburn Wright, Moscow Beat Blues by Bob Pilkington, Promise by Ken Schaphorst, and Yo' Mamba by John Moody. Digitization for Boston University Concert Programs was supported by the Boston University Humanities Library Endowed Fund