Auto-scroll is most reliable with MIDI (computer-generated) audio.
Practice
Hark! The Herald Angels Sing
1. Hark! The herald angels singGlory to the newborn kingPeace on earth and mercy mildGod and sinners reconciledJoyful, all ye nations, riseJoin the triumph of the skiesWith angelic host proclaimChrist is born in BethlehemHark! The herald angels singGlory to the newborn king
2. Hail the heav’n born prince of peaceHail the son of righteousnessLight and life to all he bringsRis’n with healing in his wingsMild he lays his glory byBorn that man no more may dayBorn to raise the sons of earhBorn to give them second birthHark! The herald angels singGlory to the newborn king
God loved us, so he sent his sonTo save us, yeah, everyoneGod loved us, so he sent his sonTo save us, yeah, everyone