Originally Posted by: snojones

How long is the space that you want to fill with this extended chord?

Have you tried major, minor, and dominant seventh chords in that space?

Have you tried augmented and diminished chords? They can be a way of dealing with odd harmonies.

Have you tried filling the measures leading to the tonic with ascenting or decending (diad) thirds for the transition?

Thanks! It's a half measure. I've tried major, minor, dominant seventh. No go. Same with augmented, though I haven't tried diminished (I always forget it's there!). As to the third idea, well, that's why I came seeking help -- that's beyond my guitar playing abilities just now!