Perhaps you could just use the Nashville system in some way.
Re: Help Request: Overlaying Custom Text (e.g., Roman Numerals) Near Chord Names
Tim's Bitstream via LilyPond user discussion Fri, 25 Apr 2025 12:18:11 -0700
- Help Request: Overlaying Cust... Peter X
- Re: Help Request: Overla... Kieren MacMillan
- Re: Help Request: Ov... Kieren MacMillan
- Re: Help Request... Tim's Bitstream via LilyPond user discussion
- Re: Help Request... Peter X
- Re: Help Request: Overla... Valentin Petzel