A good artifact for Allen would be the ticket stub of a concert he went to in the past that spurred a desire to be a musician.
<h3>What is an artifact?</h3>
It is an object that represents a moment in the past.
It is an object created by humans that has a strong meaning.
Allen's desire to become a great musician was developed by the experiences he's had with music, such as the concerts he's attended in the past which represent a big moment in his life. As such, a ticket stub from these concerts would serve as a valuable artifact.
Narrative point of view or narrative perspective describes the position of the narrator, it works almost like a camera on the narrator's shoulder showing what he/she sees.