Macushla is an Irish song copyrighted circa 1910 with music by Dermot MacMurrough and lyrics by Josephine V. Rowe. The title is a transliteration of the Irish mo chuisle meaning `my pulse` as used in the phrase a chuisle mo chroí (pulse of my heart) meaning `darling` or `sweetheart`. It was used in the end credits of the 1996 film Michael C... Found on http://en.wikipedia.org/wiki/Macushla