I did the same thing ... as an organist, I played for the funeral's of both my parents ... two of the most difficult services I have ever played in my life. One was at my home church, and the other out of state while on a vacation trip.
"Danny Boy" is a unique piece ... I played it as a postlude on March 17th
Back to the topic though ...
Yes, I do have many bad habits I seem to have acquired over the years ... one was very sloppy pedaling at the organ console. Over time it was getting worse ... I would do all the Gleason book pedal exercises to no avail. I was taught to never watch my feet while playing, so the intervals between notes are learned by feel and from playing repetition. Nothing was working ... the bench had been at the same distance/height for just years.
Finally, in complete desperation, I decided to re-adjust the organ bench ... moving it a little closer to the console ... VOILA ... found the "new" mark and marked it with a permanent black marker on the floor.
So, one bad habit has been resolved ... there are many others that need improvement, one is closing my mouth while playing. I never knew that it was open until my wife mentioned it to me awhile back.
I just could not figure out what was going on, missing certain intervals that I had played by rote for umpteen years. Finally, I tried re-adjusting the organ bench distance in relation to the console ... VOILA ... I had for years kept the bench further back, bu