Copr build:
https://copr.fedorainfracloud.org/coprs/build/10882565
(succeeded)

Review template:
https://download.copr.fedorainfracloud.org/results/@fedora-review/fedora-review-2519524-perl-audio-scan/fedora-rawhide-x86_64/10882565-perl-Audio-Scan/fedora-review/review.txt

Found issues:

- Explicit dependency on perl-devel is not allowed unless building architecture-specific code which links to libperl.so
  Read more: https://docs.fedoraproject.org/en-US/packaging-guidelines/Perl/

Please know that there can be false-positives.

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quick review:

I think the license type should be changed to:

License:        GPL-2.0-or-later AND GPL-2.0-only AND BSD-3-Clause AND MIT AND Zlib

and the license brakedown should be added like this:

# main code is GPL-2.0-or-later:
# include/aac.h
# include/asf.h
# include/common.h
# include/dsdiff.h
# include/dsf.h
# include/flac.h
# include/id3.h
# include/mp3.h
# include/mp4.h
# include/ogf.h
# include/ogg.h
# include/opus.h
# include/wav.h
# include/wavpack.h
# src/aac.c
# src/asf.c
# src/common.c
# src/dsdiff.c
# src/dsf.c
# src/flac.c
# src/id3.c
# src/id3_compat.c
# src/id3_compat.gperf
# src/mp3.c
# src/mp4.c
# src/ogf.c
# src/ogg.c
# src/opus.c
# src/wav.c
# src/wavpack.c
#

# GPL-2.0-only:
# META.json
# COPYING
#

# BSD-3-Clause:
# include/mpc.h
# include/pstdint.h
# src/mpc.c
#

# MIT:
# include/ape.h
# src/ape.c
#

# Zlib:
# include/md5.h
# src/md5.c

and you should add

# Bundled libraries:
Provides:       bundled(musepack)

because Musepack is included in the following files:

# BSD-3-Clause:
# perl-Audio-Scan-1.13-build/Audio-Scan-1.13/include/mpc.h
# perl-Audio-Scan-1.13-build/Audio-Scan-1.13/include/pstdint.h
# perl-Audio-Scan-1.13-build/Audio-Scan-1.13/src/mpc.c