EXHIBIT 12 MUZAK LIMITED PARTNERSHIP COMPUTATION OF RATIO OF EARNINGS TO FIXED CHARGES (DOLLARS IN THOUSANDS) Year Ended Year Ended Year Ended Year Ended Year Ended Dec. 31, Dec. 31, Dec. 31, Dec. 31, Dec. 31, 1993 1994 1995 1996 1997 ------------- ----------- ----------- ----------- ----------- EARNINGS: Net loss attributable to general and limited partners ($ 4,047) ($ 8,116) ($ 6,743) ($ 11,739) ($ 13,835) ------------- ----------- ----------- ----------- ----------- ADD BACK FIXED CHARGES: Interest expense including amortization of deferred financing costs....................................................... 3,785 6,990 7,483 8,112 10,775 Preferred returns............................................. 572 933 1,029 916 400 Assumed interest component of rent expense (1)................ 1,863 2,128 2,566 2,584 2,800 ------------- ----------- ----------- ----------- ----------- Total fixed charges........................................... 6,220 10,051 11,078 11,612 13,975 ------------- ----------- ----------- ----------- ----------- Adjusted earnings............................................. $ 2,173 $ 1,935 $ 4,335 ($ 127) $ 140 ------------- ----------- ----------- ----------- ----------- ------------- ----------- ----------- ----------- ----------- Ratio of earnings to fixed charges............................ 0.35 0.19 0.39 (0.01) 0.01 ------------- ----------- ----------- ----------- ----------- ------------- ----------- ----------- ----------- ----------- Deficiency of earnings to fixed charges....................... $ 4,047 $ 8,116 $ 6,743 $ 11,739 $ 13,835 ------------- ----------- ----------- ----------- ----------- ------------- ----------- ----------- ----------- ----------- - ---------------------------------- (1) Estimated as one-third of operating lease expenses 66