======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '246'
                                          'artist'  'Turisas'
                                     'text_people'  ''
                                         'release'  'The Heart of Turisas'
                                           'title'  'Those Were the Days'
                                           'quals'  ("['Q-HAP-1', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-OLDST-3', 'Q-JZFKS-1', "
 "'Q-HHRNBTT-1', 'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-3', 'q-play-2', "
 "'q-chart-2', 'q-drums-4', 'q-other-3', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['folk metal', 'viking metal', 'metal', 'battle metal', 'finnish']"
                                     'discogstags'  "['rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '3'
                                      'tracktotal'  '3'
                                            'date'  '2001'
                                        'comments'  ''
                                           'genre'  'eid-unsorted'
                                             'bpm'  '137.2'
                                             'key'  '11A'
                                        'acoustid'  '188f8b10-bdab-4bec-8e52-403dae35a97b'
rest: ''

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

'TALB' (Album/Movie/Show title)                     'The Heart of Turisas'
'TBPM' (BPM (beats per minute))                     '137.2'
'TCON' (Content type, a.k.a. Genre)                 'eid-unsorted'
'TDOR' (Original release time)                      '2001'
'TDRC' (Recording time)                             '2001'
'TIT2' (Title/songname/content description)         'Those Were the Days'
'TKEY' (Initial key)                                '11A'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'Turisas'
'TPE2' (Band/orchestra/accompaniment)               'Turisas'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'SB Productions'
'TRCK' (Track number/Position in set)               '3/3'
'TSO2'                                              'Turisas'
'TSOP' (Performer sort order)                       'Turisas'
'TXXX:Acoustid Id'                                  '188f8b10-bdab-4bec-8e52-403dae35a97b'
'TXXX:CATALOGNUMBER'                                'SBCD001'
'TXXX:MusicBrainz Album Artist Id'                  '1cf39e0b-c595-46f7-9ea8-4d2b14843c81'
'TXXX:MusicBrainz Album Id'                         'd5fef4ff-46d1-404d-a1ef-dcc515da8649'
'TXXX:MusicBrainz Album Release Country'            'FI'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'ep'
'TXXX:MusicBrainz Artist Id'                        '1cf39e0b-c595-46f7-9ea8-4d2b14843c81'
'TXXX:Q-HAP'                                        '1'
'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'                                  'rock'
'TXXX:lastfmtags'                                   ['folk metal', 'viking metal', 'metal', 'battle metal', 'finnish']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '3'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-1.21 dB'
'TXXX:replaygain_track_peak'                        '0.390960'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'3e111760-60af-4eb7-a758-ab973e152e34')

========================== row from database ==========================
                                              'id'  1250300
                                            'path'  /data/Music/Bulk/00dwimp/Turisas/Turisas - The Heart of Turisas/Turisas - 03 - Those Were the Days.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  246
                                           'genre'  eid-unsorted
                                        'filesize'  5920986
                                           'mtime'  1620521074
                                   'redo_metaread'  0
                                        'rest_str'   00dwimp 03 eid unsorted
                                      'tag_artist'  Turisas
                                     'tag_release'  The Heart of Turisas
                                       'tag_title'  Those Were the Days
                                             'bpm'  137.2
                                    'search_title'  'days':4 'the':3 'those':1 'were':2
                                   'search_artist'  'turisas':1
                                  'search_release'  'heart':2 'of':3 'the':1 'turisas':4
                                     'search_rest'  '00dwimp':1 'eid':2 'unsorted':3
                                    'search_combo'  '00dwimp':10 'days':4A 'eid':11 'heart':7C 'of':8C 'the':3A,6C 'those':1A 'turisas':5B,9C 'unsorted':12 'were':2A
                                    'tag_tracknum'  3
                                      'num_images'  0
                                             'key'  11A
                                           '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-2', 'q-other-3', 'Q-HAP-1', 'q-bass-3', 'q-grit-3']
                                      'lastfmtags'  ['folk metal', 'viking metal', 'metal', 'battle metal', 'finnish']
                                        'tag_date'  2001
                                     'discogstags'  ['rock']

============================== file details ==============================
                                           'mtime'  1620521074.4070537  (2021-05-09 02:44:34)
                             'size'  5920986