Exhibit 99.1 CERTIFICATION OF CHIEF OPERATING OFFICER PURSUANT TO 18 U.S.C. SECTION 1350, (SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002) I, Stephen P. Villa, Chief Operating Officer, of Muzak LLC, certify, to the best of my knowledge, based upon a review of the Quarterly Report on Form 10-Q for the period ended September 30, 2002 of the Muzak LLC (the "Report"), that: (1) The Report fully complies with the requirements of section 13(a) of the Securities Exchange Act of 1934, as amended; and (2) The information contained in the Report fairly presents, in all material respects, the financial condition and result of operations of the Company. /s/ Stephen P. Villa Stephen P. Villa Chief Operating Officer November 14, 2002