These are flac files created specifically for Copper, and test cases that the flac test toolkit doesn't cover. Most of these are modified copies of files in flac_subset, flac_faulty, or flac_uncommon

Manifest

01 - many images.flac: This is flac_subset/50 with additional images from 56, 57, 58, and 59, in that order.
- Image 0: from file 50, type is 3, description is empty.
- Image 1: from file 56, type is 17, description is lorem.
- Image 2: from file 57, type is 2, description is ipsum.
- Image 3: from file 58, type is 12, description is dolor.
- Image 4: from file 59, type is 4, description is est.
- Image 57 is also stored in the vorbis comment as a METADATA_BLOCK_PICTURE.
02 - picture in vorbis comment.flac: This is flac_subset/57, but with the image stored inside a vorbis METADATA_BLOCK_PICTURE comment instead of a proper flac picture metablock.
03 - faulty picture in vorbis comment.flac: This is 02, but with a corrupt picture.