Here are 2 original tunes played on BJL 7-string lyre. It’s designed to be played in G major pentatonic. But for these the tuning is as follows: D4, E4, F#4, G4, A4, B4, D5. These are friendship tunes, but you’ll have to take my word for it, as some lyrics aren’t included here.
The second one can be played as a round, if you’re interested in trying it! It sounds like this, and here are the lyrics…