You can use AlphaTab to render guitar tablatures in the cards. The tablatures are automatically included taking as source the tablature variable in the front matter of the card:
---
layout: card
title: Guitar tablatures
tablature: "canon.gp"
---
The tablature path can be a URL or a file in the same folder as the card.
Make sure to check AlphaTab’s documentation to see the supported formats.
The tablature is rendered after the content of the card: