======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '299'
                                          'artist'  'Icecross'
                                     'text_people'  ''
                                         'release'  'Icecross'
                                           'title'  '1999'
                                           'quals'  ("['Q-HAP-2', 'Q-OLDST-2', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-LOCALNESS-1', "
 "'Q-HHRNBTT-1', 'Q-SYN-2', 'Q-BUSY-3', 'Q-GRIT-2', 'Q-PLAY-3', 'Q-CHART-2', "
 "'Q-MIXBEAT-2', 'q-bass-4', 'q-drums-4', 'q-other-2', 'q-piano-1', "
 "'q-vocals-3']")
                                      'lastfmtags'  ("['psychedelic rock', 'icelandic', 'hard rock', 'progressive rock', "
 "'psychedelic']")
                                     'discogstags'  ("['prog rock', 'deathrock', 'rock', 'acid rock', 'punk', 'heavy metal', 'hard "
 "rock']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '5'
                                      'tracktotal'  '8'
                                            'date'  '1996'
                                        'comments'  ''
                                           'genre'  'rock-cppex'
                                             'bpm'  '111.9'
                                             'key'  '10A'
                                        'acoustid'  'c1ff41d2-e4ed-459c-8836-3d89e8c223e2'
rest: ''

======================== rawer (from filesystem) ========================

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM:iTunNORM:eng'                                 (' 000005E0 00000669 0000229C 00001F14 0003F9C1 00027824 000076E4 00007C8A '
 '00035AE0 0002397D')
'COMM:iTunPGAP:eng'                                 '0'
'COMM:iTunSMPB:eng'                                 (' 00000000 00000210 000007D4 0000000000C9CF9C 00000000 00B6F4BC 00000000 '
 '00000000 00000000 00000000 00000000 00000000')
'COMM:iTunes_CDDB_IDs:eng'                          '8+A45CFA77B0F77260F2BDB722042BA088+3008417'
'TALB' (Album/Movie/Show title)                     'Icecross'
'TBPM' (BPM (beats per minute))                     '111.9'
'TCON' (Content type, a.k.a. Genre)                 'rock-cppex'
'TDOR' (Original release time)                      '1973'
'TDRC' (Recording time)                             '1996-12-12'
'TENC' (Encoded by)                                 'iTunes 8.0.2.20'
'TIT2' (Title/songname/content description)         '1999'
'TKEY' (Initial key)                                '10A'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'Icecross'
'TPE2' (Band/orchestra/accompaniment)               'Icecross'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  '[no label]'
'TRCK' (Track number/Position in set)               '5/8'
'TSO2'                                              'Icecross'
'TSOP' (Performer sort order)                       'Icecross'
'TXXX:Acoustid Id'                                  'c1ff41d2-e4ed-459c-8836-3d89e8c223e2'
'TXXX:Artists'                                      'Icecross'
'TXXX:CATALOGNUMBER'                                'NL002'
'TXXX:MusicBrainz Album Artist Id'                  'f7e3f02e-4278-4cf9-9051-3037595e93b8'
'TXXX:MusicBrainz Album Id'                         '8eb734d0-3dde-4bb0-89f8-7dc97830b15d'
'TXXX:MusicBrainz Album Release Country'            'XE'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        'f7e3f02e-4278-4cf9-9051-3037595e93b8'
'TXXX:MusicBrainz Release Group Id'                 '9b058158-5398-4d13-b37c-a15329a5ab8c'
'TXXX:MusicBrainz Release Track Id'                 '590cee97-09c6-4515-9ddd-0d4fa24de5ef'
'TXXX:Q-BUSY'                                       '3'
'TXXX:Q-CHART'                                      '2'
'TXXX:Q-GRIT'                                       '2'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-MIXBEAT'                                    '2'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-PLAY'                                       '3'
'TXXX:Q-SYN'                                        '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:discogstags'                                  ['prog rock',
 'deathrock',
 'rock',
 'acid rock',
 'punk',
 'heavy metal',
 'hard rock']
'TXXX:lastfmtags'                                   ['psychedelic rock',
 'icelandic',
 'hard rock',
 'progressive rock',
 'psychedelic']
'TXXX:originalyear'                                 '1973'
'TXXX:q-bass'                                       '4'
'TXXX:q-drums'                                      '4'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-4.28 dB'
'TXXX:replaygain_track_peak'                        '0.967812'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'eb3752e2-55e1-4ca2-87e7-ae8fe595e7ef')
'UFID:http://www.cddb.com/id3/taginfo1.html'        UFID(owner='http://www.cddb.com/id3/taginfo1.html', data=b'3CD3N79R43096769V08FBEA628229D41A45F1E328ADA337AFBEP5\x00')

========================== row from database ==========================
                                              'id'  1478755
                                            'path'  /data/Music/Bulk/00popandrock-classicprogpsy/icecross - icecross (1973)/05 1999.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  299
                                           'genre'  rock-cppex
                                        'filesize'  12083525
                                           'mtime'  1674646373
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock classicprogpsy icecross icecross (1973) 05 rock cppex
                                      'tag_artist'  Icecross
                                     'tag_release'  Icecross
                                       'tag_title'  1999
                                             'bpm'  111.9
                                    'search_title'  '1999':1
                                   'search_artist'  'icecross':1
                                  'search_release'  'icecross':1
                                     'search_rest'  '1973':3,4 'classicprogpsy':1 'cppex':6 'icecross':2 'rock':5
                                    'search_combo'  '1973':6,7 '1999':1A 'classicprogpsy':4 'cppex':9 'icecross':2B,3C,5 'rock':8
                                    'tag_tracknum'  5
                                      'num_images'  1
                                             'key'  10A
                                           'quals'  ['Q-HAP-2', 'Q-OLDST-2', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', 'Q-SYN-2', 'Q-BUSY-3', 'Q-GRIT-2', 'Q-PLAY-3', 'Q-CHART-2', 'Q-MIXBEAT-2', 'q-bass-4', 'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-3']
                                      'lastfmtags'  ['psychedelic rock', 'icelandic', 'hard rock', 'progressive rock', 'psychedelic']
                                        'tag_date'  1996
                                     'discogstags'  ['prog rock', 'deathrock', 'rock', 'acid rock', 'punk', 'heavy metal', 'hard rock']

============================== file details ==============================
                                           'mtime'  1674646372.7955024  (2023-01-25 12:32:52)
                             'size'  12083525