SUMARIO. / Advertising agency and process structure / Composing for television and radio commercials versus composing for films / Musical skills (approaching composition for commercials) / Analyzing commercials (from a musical viewpoint) / Underscoring (compositional techniques) / Arranging and orchestration concepts (including sound effects and sound design) / Jingle writing / Composing music for radio commercials / Corporate videos and infomercials (long-form commercials) / Theatrical trailer music (motion picture trailer music) / Video game music / Internet commercials, website music, and made-for-the-Internet video programs / The business of commercials / Conclusion.