======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '185'
                                          'artist'  'Millencolin'
                                     'text_people'  ''
                                         'release'  'Pennybridge Pioneers'
                                           'title'  'The Ballad'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-2', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', 'Q-JZFKS-1', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-3', 'q-play-2', "
 "'q-chart-3', 'q-drums-4', 'q-other-3', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['skate punk', 'swedish', 'punk rock', 'pop punk', 'punk', 'rock']"
                                     'discogstags'  "['rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '14'
                                      'tracktotal'  '14'
                                            'date'  '2000'
                                        'comments'  ''
                                           'genre'  'rock-gr-punk'
                                             'bpm'  '98'
                                             'key'  '8B'
                                        'acoustid'  'e938ecfb-b706-4232-bd09-6d660189944e'
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Pennybridge Pioneers'
'TBPM' (BPM (beats per minute))                     '98'
'TCON' (Content type, a.k.a. Genre)                 'rock-gr-punk'
'TDOR' (Original release time)                      '2000'
'TDRC' (Recording time)                             '2000-02-22'
'TIT2' (Title/songname/content description)         'The Ballad'
'TKEY' (Initial key)                                '8B'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'Millencolin'
'TPE2' (Band/orchestra/accompaniment)               'Millencolin'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Burning Heart Records'
'TRCK' (Track number/Position in set)               '14/14'
'TSO2'                                              'Millencolin'
'TSOP' (Performer sort order)                       'Millencolin'
'TSRC' (ISRC (international standard recording code))  'SEVHC0001140'
'TXXX:ASIN'                                         'B00004HYKT'
'TXXX:Acoustid Id'                                  'e938ecfb-b706-4232-bd09-6d660189944e'
'TXXX:Artists'                                      'Millencolin'
'TXXX:BARCODE'                                      '045778200726'
'TXXX:CATALOGNUMBER'                                '82007-2'
'TXXX:Mp3gain_minmax'                               '062,204'
'TXXX:Mp3gain_undo'                                 '+006,+006,N'
'TXXX:MusicBrainz Album Artist Id'                  'a11aacf5-fcbe-47f9-b065-75f4466c00ae'
'TXXX:MusicBrainz Album Id'                         '978d7855-d763-4b1e-9ac0-def0b0a85e13'
'TXXX:MusicBrainz Album Release Country'            'US'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        'a11aacf5-fcbe-47f9-b065-75f4466c00ae'
'TXXX:MusicBrainz Release Group Id'                 '2057befb-716b-3d82-9a67-c8d50d28378f'
'TXXX:MusicBrainz Release Track Id'                 '0966065b-54b3-3556-b49b-b94ab5b28e43'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '2'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:Tracknum'                                     '14'
'TXXX:discogstags'                                  'rock'
'TXXX:lastfmtags'                                   ['skate punk', 'swedish', 'punk rock', 'pop punk', 'punk', 'rock']
'TXXX:originalyear'                                 '2000'
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '3'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-1.72 dB'
'TXXX:replaygain_track_peak'                        '0.452099'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'683af685-7d52-4630-a964-01203e01991f')

========================== row from database ==========================
                                              'id'  1418550
                                            'path'  /data/Music/Bulk/00popandrock-punk-garage-surf-stoner/Millencolin/Pennybridge Pioneers/Millencolin - The Ballad - 14.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  185
                                           'genre'  rock-gr-punk
                                        'filesize'  2966995
                                           'mtime'  1622659047
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock punk garage surf stoner 14 rock gr punk
                                      'tag_artist'  Millencolin
                                     'tag_release'  Pennybridge Pioneers
                                       'tag_title'  The Ballad
                                             'bpm'  98.0
                                    'search_title'  'ballad':2 'the':1
                                   'search_artist'  'millencolin':1
                                  'search_release'  'pennybridge':1 'pioneers':2
                                     'search_rest'  'garage':2 'gr':6 'punk':1 'rock':5 'stoner':4 'surf':3
                                    'search_combo'  'ballad':2A 'garage':7 'gr':11 'millencolin':3B 'pennybridge':4C 'pioneers':5C 'punk':6 'rock':10 'stoner':9 'surf':8 'the':1A
                                    'tag_tracknum'  14
                                      'num_images'  0
                                             'key'  8B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-2', 'q-chart-3', 'q-other-3', 'Q-HAP-3', 'q-bass-3', 'q-grit-3']
                                      'lastfmtags'  ['skate punk', 'swedish', 'punk rock', 'pop punk', 'punk', 'rock']
                                        'tag_date'  2000
                                     'discogstags'  ['rock']

============================== file details ==============================
                                           'mtime'  1622659047.2501256  (2021-06-02 20:37:27)
                             'size'  2966995