Formal performance conditions: a stage, a schedule, and the obligation to entertain an audience of paying customers. What you need for this type of situation is material that will allow you to connect with a large group; routines that are efficiently structured for maximum impact so that they'll generate interest, maintain a robust energy level, and hold the spectators' attention from start to finish. Goal Mine (Previously Unrevealed) - This is an ideal opener: a routine of mental persuasion that serves to establish the performer's credentials, gets several audience members involved, has a climax that virtually guarantees laughter and applause - and all of the props can fit in your breast pocket.