"The Brink of the White Rock" (also O'Carolan's Cup) is
an Irish Air in 6/8 time. The tune is often attributed
to blind Irish harper Turlough O'Carolan (1670-1738),
although it is a version, somewhat altered of an older
song. Donal O'Sullivan (1858), in his definitive work
on the bard says that O'Carolan may well have played it
and perhaps altered it to his purpose, but that the
piece is an altered version of a folk tune well-known
in Carolan's time called "Ar bhruach na carraige
báine" (On the...(+)
"The Brink of the White Rock" (also O'Carolan's Cup) is
an Irish Air in 6/8 time. The tune is often attributed
to blind Irish harper Turlough O'Carolan (1670-1738),
although it is a version, somewhat altered of an older
song. Donal O'Sullivan (1858), in his definitive work
on the bard says that O'Carolan may well have played it
and perhaps altered it to his purpose, but that the
piece is an altered version of a folk tune well-known
in Carolan's time called "Ar bhruach na carraige
báine" (On the Brink of the White Rocks). O'Carolan
was known to be rather fond of spirits betimes, and
this tune has been placed among his bacchanalian
compositions.
Source: TuneArch
(https://tunearch.org/wiki/Annotation:Carolan%27s_Cup).
Although originally written for Traditional Irish
instruments, I created this Interpretation of the Irish
Jig "The Brink of the White Rock" (O'Carolan's Cup) for
Woodwind Trio (Flute, Oboe & Bassoon) and Classical
Guitar.