What was the hymn that was sung at the first class church service on the morning of April 14, 1912?
The hymn most associated with the first class church service on April 14, 1912 is normally titled Eternal Father, Strong to Save. It is often called For those in peril on the sea, which is the last phrase of the first three stanzas. The hymn is number 567 in the current Anglican book of Common Praise. A MIDI file of the hymn and the music is available on-line.