I've been experimenting with doing my own accompaniment while I sing. I
am a bass and usually need to transpose most of the chords down by about
four semitones from what is on the printed sheet.

So, for each song I go to the circle of 5ths and read the appropriate
new chord, write it down and play it in lieu of the printed chord.

This works, but it is a PITA. I'm wondering if there is an easier way to
get to a workable solution.

Would it be acceptable to put a Capo on the 4th fret, tune as usual
(EBGDAE), remove capo and play as usual?

Any other thoughts/schemes would be appreciated.

EJ in NJ