Is sol-fa a word in the Scrabble Dictionary

No, sol-fa is not playable

...but would be worth 9 points.

Word not found in any official scrabble dictionaries.

"Sol-fa" Definition

noun

The set of syllables do, re, mi, fa, sol, la, and ti, used to represent the tones of the scale.
Use of these syllables.
A method of sight singing music that uses the syllables do (originally ut), re, mi, fa, sol (or so), la, and si (or ti) to represent the pitches of the scale, most commonly the major scale. the fixed-do system uses do for c, and the movable-do system uses do for whatever key the melody uses (thus b is do if the piece is in the key of b).
Source: Wiktionary
The gamut, or musical scale. see tonic sol-fa, under tonic, n.
In music:.

In music, to solmizate, or sing solfeggii.
In music, to sing to solmizationsyllables instead of to words.
Of or pertaining to solmization in singing: as, the sol-fa method, or tonic sol-fa method.

verb

To sing the sol-fa syllables.
To sing (as a melody) to sol-fa syllables.

verb-transitive

To use the sol-fa syllables or sing using these syllables.
To sing to solmization syllables.

verb-intransitive

To sing the notes of the gamut, ascending or descending.