Crescendo

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

Crescendo is a D&D 3.5 spell (Evocation) from SaS. On class lists for Bard (Level 2), Bard Variant (Level 2), Divine Bard (Level 2), and others. Range or area: 30 ft.; Saving throw: None; Duration: 4 rounds; Casting time: 1 standard action.

School
Evocation
Casting Time
1 standard action
Components
V, S
Range
30 ft.
Target
All allies within 30 ft. of the caster
Area
30 ft. sphere
Duration
4 rounds
Saving Throw
None
Spell Resistance
Yes (harmless)

This spell creates a martial fanfare that slowly builds in volume, inspiring you and your comrades to ever-greater combat prowess.
During the first round of the spell, the horns and drums can be heard faintly, but no other effect occurs.
On the second round, as the music becomes louder and more inspiring, each affected creature gains a +1 morale bonus on attack rolls.
This bonus increases to +2 in the third round, then to +3 in the fourth round as the music gets louder and louder.
Allies who move more than 30 feet away from you lose the bonus, but they regain it at its then-current level if they later step back within range.