I'd like to second with 3.0 info
Screaming: Upon command, a screaming weapon emits a low hum that is grating on the ears but does not harm the wielder. Screaming weapons that hit produce a louder high-pitched sound and deal +1d6 points of bonus sonic damage on a successful hit. Bow, crossbows, and slings with this ability bestow the sonic energy upon their ammunition. Screaming weapons do deal this bonus damage within a silence spell. Screaming weapons do not have any additional adverse effects upon creatures that use enhanced hearing, although such creatures dislike screaming weapons.
Caster Level: 10th; Prerequisites: Craft Magic Arms and Armor, shout or sound burst; Market Price: +1 bonus.
Source: Magic of Faerûn, p. 140
Screaming: Upon command, a screaming weapon emits a low hum that is grating on the ears but does not harm the wielder. Screaming weapons that hit produce a louder high-pitched sound and deal +1d6 points of bonus sonic damage on a successful hit. Bow, crossbows, and slings with this ability bestow the sonic energy upon their ammunition. Screaming weapons don’t deal this bonus damage within a silence spell. Screaming weapons do not have any additional adverse effects upon creatures that use enhanced hearing, although such creatures dislike screaming weapons.
Caster Level: 10th; Prerequisites: Craft Magic Arms and Armor, shout or sound burst; Market Price: +1 bonus.
Source: Arms and Equipment Guide, p. 97
There exists a third entry in Faiths and Pantheons, p. 22, but I can't lay my hands on it right now. Someone there who can?
Kind regards