KURZWEIL <KURM> HAS REDUCED WORK FORCE Kurzweil Music Systems Inc said it has taken steps this year to reduce costs, including a 10 to 15 pct reduction in its work force. A spokesman said the company now has about 70 employees. It said other reductions include the use of professional services, administrative costs, manufacturing overhead and non-essential development services, adding these cuts are expected to have a significant impact beginning in the second quarter. Earlier today Kurzweil reported a 1986 loss of 85 cts a share compared to a 1985 loss of 1.21 dlrs a share.