Auto-scroll is most reliable with MIDI (computer-generated) audio.
Practice
I Will Be Valiant
1. The Lord needs valiant servants,To do his work in the latter day,Who follow the teachings of JesusAnd serve his people in a loving way.I will be his servantAnd keep my cov’nants valiantly.I’ll stand for truth. I’ll stand for right.The Lord can depend on me.