premise1: A man sings with his band up on stage at an event or concert late at night.
premise2: The lead singer in a band wearing a gray shirt and black pants.
premise3: A man in a gray shirt sings at a microphone.
premise4: A young man with a gray shirt singing.
premise: A man sings with his band up on stage at an event or concert late at night. The lead singer in a band wearing a gray shirt and black pants. A man in a gray shirt sings at a microphone. A young man with a gray shirt singing.
hypothesis: Musician stands.