======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '307'
                                          'artist'  'Radiohead'
                                     'text_people'  'Radiohead'
                                         'release'  'Kid A'
                                           'title'  'Idioteque'
                                           'quals'  ("['Q-HAP-2', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', 'Q-OLDST-3', "
 "'Q-LOCALNESS-1', 'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-4', 'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['alternative rock', 'indie', 'alternative', 'electronic', 'rock']"
                                     'discogstags'  "['electronic', 'rock', 'alternative rock', 'leftfield', 'experimental']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '8'
                                      'tracktotal'  '10'
                                            'date'  '2009'
                                        'comments'  ''
                                           'genre'  'rock-unsorted'
                                             'bpm'  '91.846'
                                             'key'  '6A'
                                        'acoustid'  'd0c5a5e6-440a-457c-891e-5c597e9ee1c5'
rest: ''

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

'COMM:ID3v1 Comment:XXX'                            'Team Apc Co: Elevenswivel'
'TALB' (Album/Movie/Show title)                     'Kid A'
'TBPM' (BPM (beats per minute))                     '91.846'
'TCOM' (Composer)                                   'Radiohead'
'TCON' (Content type, a.k.a. Genre)                 'rock-unsorted'
'TDOR' (Original release time)                      '2000'
'TDRC' (Recording time)                             '2009-08-31'
'TIT2' (Title/songname/content description)         'Idioteque'
'TKEY' (Initial key)                                '6A'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'Radiohead'
'TPE2' (Band/orchestra/accompaniment)               'Radiohead'
'TPOS' (Part of a set)                              '1/2'
'TPUB' (Publisher)                                  'EMI'
'TRCK' (Track number/Position in set)               '8/10'
'TSO2'                                              'Radiohead'
'TSOP' (Performer sort order)                       'Radiohead'
'TSRC' (ISRC (international standard recording code))  'GBAYE0000817'
'TXXX:ASIN'                                         'B002BF96JI'
'TXXX:Acoustid Id'                                  'd0c5a5e6-440a-457c-891e-5c597e9ee1c5'
'TXXX:BARCODE'                                      '5099969710629'
'TXXX:CATALOGNUMBER'                                'RHEADCD 4'
'TXXX:MusicBrainz Album Artist Id'                  'a74b1b7f-71a5-4011-9441-d0b5e4122711'
'TXXX:MusicBrainz Album Id'                         '8e34f14b-5aa7-30d9-89ce-f66c3b021700'
'TXXX:MusicBrainz Album Release Country'            'GB'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        'a74b1b7f-71a5-4011-9441-d0b5e4122711'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:discogstags'                                  ['electronic', 'rock', 'alternative rock', 'leftfield', 'experimental']
'TXXX:involved people'                              'producer'
'TXXX:lastfmtags'                                   ['alternative rock', 'indie', 'alternative', 'electronic', 'rock']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '4'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-1.05 dB'
'TXXX:replaygain_track_peak'                        '0.457233'

========================== row from database ==========================
                                              'id'  1300392
                                            'path'  /data/Music/Bulk/00poprockelectronic/Radiohead/Kid A/Radiohead - Idioteque - 08.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  307
                                           'genre'  rock-unsorted
                                        'filesize'  7386245
                                           'mtime'  1637158457
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 08 rock unsorted
                                      'tag_artist'  Radiohead
                                     'tag_release'  Kid A
                                       'tag_title'  Idioteque
                                             'bpm'  91.846
                                    'search_title'  'idioteque':1
                                   'search_artist'  'radiohead':1
                                  'search_release'  'a':2 'kid':1
                                     'search_rest'  '00poprockelectronic':1 'rock':2 'unsorted':3
                                    'search_combo'  '00poprockelectronic':5 'a':4C 'idioteque':1A 'kid':3C 'radiohead':2B 'rock':6 'unsorted':7
                                    'tag_tracknum'  8
                                      'num_images'  0
                                             'key'  6A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-2', 'q-chart-4', 'q-other-2', 'Q-HAP-2', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['alternative rock', 'indie', 'alternative', 'electronic', 'rock']
                                        'tag_date'  2009
                                     'discogstags'  ['electronic', 'rock', 'alternative rock', 'leftfield', 'experimental']

============================== file details ==============================
                                           'mtime'  1637158457.2703135  (2021-11-17 15:14:17)
                             'size'  7386245