Note that the 25-stringed harp of the ms. is
sufficiently short to be entirely comfortable with its base
resting on the chair between the player's legs, and gives the
appearance - in profile - of being what has always been described
as a 'knee' harp. Indeed, this is such a comfortable and
convenient size that harpists would not have been easily
persuaded to move onto larger harps. How interesting, then,
that the repertoire in the ms. was so ancient or so conservative
that it had no truck with the much larger harps, including metal-strung
ones, that had been abroad for many centuries before the ms.
was written.
But there are several more technical points,
which relate this harp to the metal-strung clarsach (also spelt
as cláirseach, and styled in English as 'Irish
harp' or 'Celtic harp', or just recently as 'Gaelic harp').
1) The need to use gold strings in the bass indicates ratios
between string lengths that were similar to those on the earliest
surviving clarsachs - i.e. the harmonic curve was in a similar
position and was a similar shape. 2) It is natural that the
harp for instrumental music would have had forward-facing
soundholes, to project the sound - where harps are
depicted as lacking these, we are looking at instruments
of accompaniment, where there was a concern not to eclipse the
vocal delivery (early lyres, primarily for accompaniment, had
no soundholes either). 3) Harps in Wales could bear rich decoration
- gems and such. 4) This particular playing technique dictates
that the uppermost strings have to be positioned off-centre
into the soundboard, towards the upper hand of the player to
allow it the close access that is required. 5) The sequential
note-series of strings is interrupted in the lowest octave,
where a note (E) has no string. 6) At times, the chords
in cerdd dant involve a width of spread between certain
fingers - particularly between the forefinger and the ring
finger - which are impossible with the sort of string-spacing
used by modern gut harps. Only the narrow string-spacing that
we know from the early surviving metal-strung harps makes playing
these chords possible.
Now each of these features is to be found
in relation to the earliest clarsachs from Ireland and
Scotland, and certainly here we must be envisaging the
early precursor of the clarsach; one which must have had
a wide geographical distribution. Of course, in view of the
evident musical exchanges that continually took place throughout
the British Isles in the Middle Ages, and particularly because
of the desire in Wales to emulate the quality of instrumental
music in Ireland (as described by Gerald of Wales), the aristocratic
players of this classical music in Wales would never have rejected
the 'Rolls-Royce' of harps used elsewhere, with its metal strings.
Even the Irish term 'corr' for the harp's harmonic curve
seems to have been used in Welsh also. That said, the effort
involved in not only the playing, but in the construction,
maintenance, transporting and tuning, of metal-strung harps
is enormous, so it is easy to imagine there might have been harpists,
particularly towards the end of the tradition, who could
not or would not make that commitment and who may have been
motivated to play this music on wooden or leathern harps with
horsehair strings (or even gut strings if they avoided the cerdd
dant nail technique). But doing that would have only hastened
the traditions decline!
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