O Be Watchful
- Words:
- Grace J. Frances
- Music:
- Hubert P. Main
Sheet music
Hast thou trimm’d thy lamp, my brother, Is it burning clear and bright…
Words, music and setting are in the public domain. The sheet music is from PDHymns.com. The piano is the FluidR3 General MIDI sound font (MIT licence). How many hymnals print a hymn, and when it was written, is from Hymnary.org.