There is a Remastered version
here.
Concordant Choir
[one-action] to
[three-actions] Spell 1Legacy Content
Evocation Sonic Source Secrets of Magic pg. 96 1.1Traditions divine,
occultRange 30 feet;
Targets varies
Saving Throw basic Fortitude
You unleash a dangerous consonance of reverberating sound, focusing on a single target or spreading out to damage many foes. The number of actions you spend Casting this Spell determines its targets, range, area, and other parameters.
[one-action] (verbal) The spell deals 1d4 sonic damage to a single enemy, with a basic Fortitude save.
[two-actions] (somatic, verbal) The spell deals 2d4 sonic damage to all creatures in a 10-foot burst, with a basic Fortitude save.
[three-actions] (material, somatic, verbal) The spell deals 2d4 sonic damage to all creatures in a 30-foot emanation, with a basic Fortitude save.
Heightened (+1) The damage increases by 1d4 for the 1-action version, or 2d4 for the other versions.