Following David's recent post, have you been doing your homework and learned the words?
Here's the tune (in D) for Adieu SLN.
Now you've heard it, that's no excuse for late arrival.
(But it may be some justification.)
PS. For the sake of uniformity, that D/Bm in the guitar chords in line 4 has to be one or the other. Ken, the very-blessed MWP, pointed this out. Let's go for B minor and make it an A-Level piece. (If you can't find Bm, just shut up till we get to A7!)