The Glad The Acapella Project Songbook is a collection of contemporary religious and devotional songs specifically designed for piano and vocal instruments. Published by Benson in the United States, this songbook is tailored for intermediate-level musicians looking to enhance their skills in a supportive and uplifting musical environment. With a focus on acapella arrangements, this collection offers a unique and engaging way for pianists and vocalists to come together and create beautiful music in the church setting.