There are several music acts under the name "Leon":
These are photos from concerts where LEON played, so they may be of other bands that played the concert as well.
Boston Calling Music Festival 2023 (Friday) May 26, 2023 Boston, Massachusetts, United States Uploaded by Prettydreamy
Boston Calling Music Festival 2023 (Friday) May 26, 2023 Boston, Massachusetts, United States Uploaded by Spszero25
Boston Calling May 26, 2023 Boston, Massachusetts, United States Uploaded by Emily Styles