Sheet music for accordion

Hello,
I often write sheet music for accordion and have switched from Finale to Dorico.
I can’t find a way in Dorico to add letters below the bass line: for a single bass note, it should always be a capital letter, and for chords, a lowercase letter.
I am attaching a sample of how I did it in Finale and how it should now look in Dorico.

Can you please offer me a solution?

Best regards from Austria,
Josef Schwaiger

PS: This is how it should look:

Translated with DeepL.com (free version)

Have you tried adding them as lyrics? Click on the note, shift-L …

1 Like

Thank you!