The record sleeve to the Archie Fisher/Garnet Rogers album "Off the Map" contains some slight differences to the Tannahill Weavers version. It is credited to H. Roberton and says it is translated from the gaelic so I don't know if Roberton wrote it or did this translation.

JOY OF MY HEART

CHORUS
Whether I wander East or West
Waking or dreaming thou art with me
Joy of my heart Eallann Mulla

Sing ye o' the cuillins of Skye
Of Harris and Eigg and fair Iona
Joy of my heart Eallann Mulla

Chorus

Peat and heather how they call me
Little wee bothan by the hillside
Joy of my heart Eallann Mulla

CH

Friendly hearts are waiting to cheer me
Welcoming arms are there to hold me
Joy of my heart Eallann Mulla

CH

rich r