A practical book for composers and arrangers of instrumental, choral and electronic music as applied to publication, films, television, recordings and schools. John covers all the basics in this excellent book such as ranges, keys, instrument limitations, etc., but he also discusses lots of tips and tricks on how to make your music sound better and how to compose for the commercial market. There's a large discussion on electronic music, recording, and performing rights. Excellent material for any aspiring composer/arranger.