Frederick Harris acquires Keystroke Publishing.

Frederick Harris acquires Keystroke Publishing. Frederick Harris Music The Frederick Harris Music Co., Limited (Frederick Harris Music) is a North American music publishing firm.Located in the Toronto suburb of Mississauga, Ontario, The Frederick Harris Music Co., Limited has the largest catalogue of any Canadian print music publisher. has acquired the publications ComprehensiveEar Training, Vocal Ear Training and Sight Singing Solution fromKeystroke key��stroke?n.A stroke of a key, as on a word processor.keystroke Publishing. Comprehensive Ear Training helps students musically by building asolid aural aural/au��ral/ (aw��r'l)1. auditory (1).2. pertaining to an aura.au��ral?1adj.Relating to or perceived by the ear. foundation. It is available in two series: the ProfessionalSeries, for use by student and teacher, and the Student Series, designedfor home use by the student. Vocal Ear Training is a graded series forsoloists and choristers, useful in lessons or self-study self-stud��yn.1. Study or examination of oneself.2. A form of study in which one is to a large extent responsible for one's own instruction. . Sight SingingSolution is useful for soloists or choristers preparing for voiceexaminations or looking to improve their sight singing. Keystroke Publishing, founded by Carol and John Schlosar, createdquality ear-training and sight-singing products for music teachers.