Revised tunings
Here is a set of tunings which takes both published and manuscript evidence into
account.
1 téad leagaidh (falling string) or high bass key
o + FF
2 'téad leagtha' (fallen string) or variant téad leagaidh tuning
o + EE
3 leithghléas
# + EE for C, A, possibly G or even D, but all transposed onto A, G, E & D
5 'uileacán' tuning (variant leithghléas tuning)
# + ff + EE
6 'seldom used' tuning
# + cc# + EE