Padraig O’Keeffe’s Hornpipe – Change of Instrument: Two Mandocellos vs. Mandocello/Guitar

Two versions of Padraig O’Keeffe’s Hornpipe:

First:  A duet on two Gibson mandocellos, K1 and K4, both from 1924. Both Lloyd Loar period with truss rod. The K4 has a virzi inside.

Second: A duet on a Collings OM-1 guitar and on a 1924 Gibson K4 mandocello. The K4 is Lloyd Loar period and has a virzi inside.

Notation and tablature of the melody part as played by the 1924 Gibson K4 mandocello in the videos.
It is in the key of G!