In Irish it's "beidh tú ann"
beidh mé in Irish,bidh mi in Gaelic (Scottish)
In Irish it can be "de", "as", "ó" or the genitive, it depends on what's being said.
'What was I going to say?' = 'Cad a bhí mé ag dul a rá?'
Learn about the Harp
How to Play the Harp - Tie a Wire String Part 2
How to Play the Harp - Tie a Wire String Part 1
How to Play the Harp - Learning Your First Tune