Sounding this roughly shod instrument dispels the effects of natural or magically induced sleep and allows the other members of the party to immediately engage in combat, cast spells, or perform any Standard Action. Activating this magic item is a Standard Action, so the person blowing this horn may not attack, cast, or perform any other Standard Action the same round it’s used. This is a permanent item.
Minotaur Horn of Alert is not a traditional bard instrument and cannot be used to perform bardsong.