View cart “In the House of the Lord – Harp Organ Duet” has been added to your cart. Previous Product Next Product Hark the Herald Angels Sing – Piano/Organ Duet$8.00 Complete score in printable pdf format. View demo. Hark the Herald Angels Sing - Piano/Organ Duet quantity Add to cart Categories: Christmas, Instrumental Related products Quick View Quick View Instrumental, Piano SoloHymn Fantasy No.2 – Thy Spirit Lord, Has Stirred Our Souls $5.00 Add to cart Quick View Quick View InstrumentalI Know That My Redeemer Lives – Viola/Horn Duet $8.00 Add to cart Quick View Quick View Christmas, Instrumental, Piano SoloHark the Herald Angels Sing – Piano $5.00 Add to cart