The World’s most beloved sacred melodies are yours to enjoy with these two Music Program Discs: Cathedral Organ provides lush organ accompaniment with a wide range of rhythmic special effects. The special sound of the Vox Humana disc brings you the actual sound of a full choir of singers accompanied by a pipe organ. The special effects switches on this disc feature the rich tones of a cello. The perfect companion- a 96-page song book- completes the Pak. This treasury of Songs of Praise includes such favorites as Rock Of Ages, Oh Happy Day, Onward Christian Soldiers, Amazing Grace plus many, many more.