The book Is That Worship? explores the biblical foundation of music in worship, focusing on the spiritual, psychological, and physical impacts of different musical elements, particularly the use of syncopated beats. Rooted in KJV scriptures, the book examines how music influences worship practices and challenges readers to discern whether certain musical styles and expressions align with God's design for worship. It delves into historical and biblical contexts of musical instruments and rhythms, contrasting them with modern practices. The book encourages believers to evaluate their worship by scriptural standards, fostering a deeper understanding of what it means to worship God in spirit and truth.