Patent Document ID: 3955466
Application ID: 05485220
Patent Flag: 1

Claim One:
1. A performance learning system for a program comprising a readable record carrying notations pertaining to a predetermined uninterrupted performance for the program, the readable record carrying visual stop notations spaced along the program at locations selected to designate learning segments for a student; a multiple track magnetic medium, said magnetic medium being provided with an ensemble prerecorded track on which is recorded, in a playback/record directional movement of the magnetic medium, a continuous uninterrupted recording of the program with said predetermined performance omitted from the recorded ensemble, a student track to record, in the playback/record direction, a student's rendering of the omitted performance, said magnetic medium being provided with prerecorded control signals located on the magnetic medium in corresponding spaced relationship with the ensemble recording as the visual stop notations are located on the readable record relative to the performance thereon; means for playing back recordings from the magnetic medium tracks and producing playback signals and control signals representative of the recordings on the magnetic medium; means operative during playback/record movement of the magnetic medium for recording a student's rendition of the omitted performance on the student track in synchronous relationship with the playback of the uninterrupted ensemble recording; repeat means for causing rapid backtrack motion of the magnetic medium; switch means for interrupting backtrack movement of the magnetic medium; and backtrack control means coupled to the stop control signals for enabling actuation of the switch means during backtrack movement of the magnetic medium to terminate its motion at a desired stop control signal; whereby a student may backtrack to a previous stop control signal at a visually identifiable location on the readable record for a repeat of a student rendition of the omitted performance.