Real-time systems are essential to computer music, and new developments in scheduling, operating systems, and languages are certain to find applications in music. At the same time, we believe the issues that arise in computer music should be of interest to designers of real-time systems. Computer music systems are demanding and complex, and require a large degree of flexibility to support the creative goals of musicians. Musicians and composers were working in the "real-time business" long before the computer, and we think the art and science of music-making has much to offer.>

Recent progress in the implementation of the ORE real-time programming language is reported. A summary of the important features of the language is included. Progress in designing a runtime system for the language is reported. The design issues are discussed. A model of ORE processes is described. The set of operations defined on events, strips, and processes is described. Examples of the implementation of specific ORE features using this mechanism are illustrated.>