Fine-tuning

Song and Silence: A Guidebook to Bards and Rogues (SaS)Updated Supplementals (3.0)

Fine-tuning is a D&D 3.5 spell (Transmutation) from SaS. Range or area: Touch; Saving throw: None; Duration: 1 minute/level; Casting time: 1 full round.

School
Transmutation
Casting Time
1 full round
Components
V, S, F
Range
Touch
Target
One instrument
Duration
1 minute/level
Saving Throw
None
Spell Resistance
Yes (harmless)

This spell enables the caster to make an ordinary instrument perform as if it were of masterwork quality.
For the duration of the spell, the instrument grants the user a +2 circumstance bonus on Perform checks, or an alternate effect as described in Chapter 3 for that instrument type, if desired.
Fine-tuning has no effect if cast upon an instrument already of masterwork quality.
Focus: The target of the spell.