6 volumes of 25 hymns, 150 titles available. Each hymn was played on church organ by a church organist recorded in hymnal style as accompaniment. We load your hymn audio mp3 files onto a USB thumb drive. We recommend that you copy the hymns from the thumb drive on to your computer for use as needed. Keep the thumb drive on hand as back up in case you lose the files on your computer. Multiple volume orders are loaded onto the same singe thumb drive unless you indicate in your order comments that you need them on separate drives. Choose option below for titles, sample audio, keys and verse counts.