Use or Fakin' The Funk? . Run the suspicious file. A genuine FLAC of A Crow Left of the Murder will show a clean frequency spectrum cutting off sharply at 22.05kHz (for CD) or 48kHz (for Hi-Res). If the spectrum looks "shelved" or cut off at 16kHz, it is a converted MP3 fake.
You can find Incubus' discography on various music platforms, such as: Incubus - Flac Discography