======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '292'
                                          'artist'  'Icecross'
                                     'text_people'  ''
                                         'release'  'Icecross'
                                           'title'  'Nightmare'
                                           '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-2', 'q-drums-4', 'q-other-3', 'q-piano-1', "
 "'q-vocals-2']")
                                      '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'  '7'
                                      'tracktotal'  '8'
                                            'date'  '1996'
                                        'comments'  ''
                                           'genre'  'rock-cppex'
                                             'bpm'  '116.0'
                                             'key'  '11B'
                                        'acoustid'  'f2d66352-936a-4106-8a80-1aea38554503'
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM:iTunNORM:eng'                                 (' 000005E3 000004C7 0000222B 00001FDF 0002F524 0002C8A7 0000811E 00007AEB '
 '0002F524 00028A82')
'COMM:iTunPGAP:eng'                                 '0'
'COMM:iTunSMPB:eng'                                 (' 00000000 00000210 000008E8 0000000000C4DE08 00000000 00B279CC 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))                     '116.0'
'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)         'Nightmare'
'TKEY' (Initial key)                                '11B'
'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)               '7/8'
'TSO2'                                              'Icecross'
'TSOP' (Performer sort order)                       'Icecross'
'TXXX:Acoustid Id'                                  'f2d66352-936a-4106-8a80-1aea38554503'
'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'                 '3982360c-9dcb-40b7-91ba-a2d5c3fcacbf'
'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'                                       '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '-3.58 dB'
'TXXX:replaygain_track_peak'                        '1.007393'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'cb30e321-48a4-4112-bff8-5691ae9a250b')
'UFID:http://www.cddb.com/id3/taginfo1.html'        UFID(owner='http://www.cddb.com/id3/taginfo1.html', data=b'3CD3N85R43096771V18AFA238E9A5CE4869C2816F95E044947EP6\x00')

========================== row from database ==========================
                                              'id'  1478095
                                            'path'  /data/Music/Bulk/00popandrock-classicprogpsy/icecross - icecross (1973)/07 Nightmare.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  292
                                           'genre'  rock-cppex
                                        'filesize'  11789918
                                           'mtime'  1674646374
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock classicprogpsy icecross icecross (1973) 07 rock cppex
                                      'tag_artist'  Icecross
                                     'tag_release'  Icecross
                                       'tag_title'  Nightmare
                                             'bpm'  116.0
                                    'search_title'  'nightmare':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 'classicprogpsy':4 'cppex':9 'icecross':2B,3C,5 'nightmare':1A 'rock':8
                                    'tag_tracknum'  7
                                      'num_images'  1
                                             'key'  11B
                                           '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-2', 'q-drums-4', 'q-other-3', 'q-piano-1', 'q-vocals-2']
                                      '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'  1674646373.502551  (2023-01-25 12:32:53)
                             'size'  11789918