======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '416'
                                          'artist'  'Cicada'
                                     'text_people'  ''
                                         'release'  'Ocean'
                                           'title'  'Ocean Foam'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-OLDST-3', 'Q-HHRNBTT-1', "
 "'Q-LOCALNESS-1', 'q-syn-2', 'Q-PLAY-3', 'q-bass-1', 'q-busy-2', 'q-grit-2', "
 "'Q-PIANO-4', 'q-chart-3', 'q-drums-1', 'q-other-3', 'q-vocals-1', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['dance', 'house', 'electronica', 'electronic', 'post rock']"
                                     'discogstags'  "['electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '4'
                                      'tracktotal'  '13'
                                            'date'  '2015'
                                        'comments'  ''
                                           'genre'  'rock-post'
                                             'bpm'  '128.1'
                                             'key'  '10B'
                                        'acoustid'  'd1ae9c09-f8c4-4c8f-99a5-e50ec67aade9'
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Ocean'
'TBPM' (BPM (beats per minute))                     '128.1'
'TCON' (Content type, a.k.a. Genre)                 'rock-post'
'TDOR' (Original release time)                      '2015'
'TDRC' (Recording time)                             '2015-12-02'
'TIT2' (Title/songname/content description)         'Ocean Foam'
'TKEY' (Initial key)                                '10B'
'TMED' (Media type)                                 'Digital Media'
'TPE1' (Lead performer(s)/Soloist(s))               'Cicada'
'TPE2' (Band/orchestra/accompaniment)               'Cicada'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Flau'
'TRCK' (Track number/Position in set)               '4/13'
'TSO2'                                              'Cicada'
'TSOP' (Performer sort order)                       'Cicada'
'TXXX:Acoustid Id'                                  'd1ae9c09-f8c4-4c8f-99a5-e50ec67aade9'
'TXXX:Artists'                                      'Cicada'
'TXXX:MusicBrainz Album Artist Id'                  '66dcb8ed-ca1f-4115-b8e0-17e7438e8b0e'
'TXXX:MusicBrainz Album Id'                         '2dfa7460-79b0-4e86-b158-6974034604c6'
'TXXX:MusicBrainz Album Release Country'            'XW'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album/compilation'
'TXXX:MusicBrainz Artist Id'                        '66dcb8ed-ca1f-4115-b8e0-17e7438e8b0e'
'TXXX:MusicBrainz Release Group Id'                 '80d87f9d-0575-4146-9652-24496714c54a'
'TXXX:MusicBrainz Release Track Id'                 '6e9befb6-f61e-4759-80ab-2156276e21a0'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-PIANO'                                      '4'
'TXXX:Q-PLAY'                                       '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:discogstags'                                  'electronic'
'TXXX:lastfmtags'                                   ['dance', 'house', 'electronica', 'electronic', 'post rock']
'TXXX:originalyear'                                 '2015'
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+0.73 dB'
'TXXX:replaygain_track_peak'                        '0.444808'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'9b01e0cb-c28a-4805-b900-2eebd434d563')

========================== row from database ==========================
                                              'id'  475390
                                            'path'  /data/Music/Bulk/00instruments-classical/Cicada - Ocean  2015/04-cicada-ocean_foam-b207c0cf.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  416
                                           'genre'  rock-post
                                        'filesize'  16658530
                                           'mtime'  1621695794
                                   'redo_metaread'  0
                                        'rest_str'   00instruments classical 2015 04 cicada ocean_foam b207c0cf rock post
                                      'tag_artist'  Cicada
                                     'tag_release'  Ocean
                                       'tag_title'  Ocean Foam
                                             'bpm'  128.1
                                    'search_title'  'foam':2 'ocean':1
                                   'search_artist'  'cicada':1
                                  'search_release'  'ocean':1
                                     'search_rest'  '00instruments':1 '2015':3 'b207c0cf':7 'cicada':4 'classical':2 'foam':6 'ocean':5 'post':9 'rock':8
                                    'search_combo'  '00instruments':5 '2015':7 'b207c0cf':11 'cicada':3B,8 'classical':6 'foam':2A,10 'ocean':1A,4C,9 'post':13 'rock':12
                                    'tag_tracknum'  4
                                      'num_images'  0
                                             'key'  10B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-mixbeat-1', 'Q-PIANO-4', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-2', 'q-drums-1', 'q-syn-2', 'q-chart-3', 'q-other-3', 'Q-HAP-3', 'Q-PLAY-3', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['dance', 'house', 'electronica', 'electronic', 'post rock']
                                        'tag_date'  2015
                                     'discogstags'  ['electronic']

============================== file details ==============================
                                           'mtime'  1621695794.2264323  (2021-05-22 17:03:14)
                             'size'  16658530