Given the task definition and input, reply with output. In this task, you're given a story (which contains five sentences only). Your task is to find all the characters which are available in the given story.

Sentence1: Me and my friend tried to make a song once. Sentence2: We listened to our favorite artists for inspiration. Sentence3: In the end, we decided to make a rap song. Sentence4: We wrote the lyrics, recorded it and sent it into a contest. Sentence5: We ranked last among all participants and we don't make music anymore.
I (myself), All participants, Favorite artists, My friend