======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '488'
                                          'artist'  'Downfall Of Gaia'
                                     'text_people'  ''
                                         'release'  'Suffocating In The Swarm Of Cranes'
                                           'title'  'Drowning By Wing Beats'
                                           'quals'  ("['Q-LOCALNESS-1', 'Q-UNU-2', 'Q-JZFKS-1', 'Q-HAP-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-4', 'q-play-3', "
 "'q-chart-2', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['screamo', 'neocrust', 'crust', 'post metal', 'dark hardcore']"
                                     'discogstags'  "['rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '2'
                                      'tracktotal'  '7'
                                            'date'  '2012'
                                        'comments'  ''
                                           'genre'  'eid-metal-crust;eid-metal'
                                             'bpm'  '138.607'
                                             'key'  '1A'
                                        'acoustid'  ''
rest: ''

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

'COMM:iTunNORM:eng'                                 (' 00001DCE 00001B7C 000069D0 00004828 00052AA7 000086E5 00008A91 00008BAB '
 '0003BEFA 000637BC')
'COMM:iTunPGAP:eng'                                 '0'
'COMM:iTunSMPB:eng'                                 (' 00000000 00000210 00000A50 00000000014861A0 00000000 0129C492 00000000 '
 '00000000 00000000 00000000 00000000 00000000')
'TALB' (Album/Movie/Show title)                     'Suffocating In The Swarm Of Cranes'
'TBPM' (BPM (beats per minute))                     '138.607'
'TCON' (Content type, a.k.a. Genre)                 ['eid-metal-crust', 'eid-metal']
'TDRC' (Recording time)                             '2012'
'TENC' (Encoded by)                                 'iTunes 10.6.3'
'TIT2' (Title/songname/content description)         'Drowning By Wing Beats'
'TKEY' (Initial key)                                '1A'
'TPE1' (Lead performer(s)/Soloist(s))               'Downfall Of Gaia'
'TPE2' (Band/orchestra/accompaniment)               'Downfall Of Gaia'
'TRCK' (Track number/Position in set)               '2/7'
'TXXX:Q-HAP'                                        '1'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '2'
'TXXX:discogstags'                                  'rock'
'TXXX:lastfmtags'                                   ['screamo', 'neocrust', 'crust', 'post metal', 'dark hardcore']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '4'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-1.62 dB'
'TXXX:replaygain_track_peak'                        '0.420309'

========================== row from database ==========================
                                              'id'  1398694
                                            'path'  /data/Music/Bulk/00dwimp/00metal/Downfall of Gaia/2012 - Suffocating In The Swarm Of Cranes/02 - Drowning By Wing Beats.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  488
                                           'genre'  eid-metal-crust;eid-metal
                                        'filesize'  19527667
                                           'mtime'  1620300589
                                   'redo_metaread'  0
                                        'rest_str'   00dwimp 00metal of 2012 02 eid metal crust;eid metal
                                      'tag_artist'  Downfall Of Gaia
                                     'tag_release'  Suffocating In The Swarm Of Cranes
                                       'tag_title'  Drowning By Wing Beats
                                             'bpm'  138.607
                                    'search_title'  'beats':4 'by':2 'drowning':1 'wing':3
                                   'search_artist'  'downfall':1 'gaia':3 'of':2
                                  'search_release'  'cranes':6 'in':2 'of':5 'suffocating':1 'swarm':4 'the':3
                                     'search_rest'  '00dwimp':1 '00metal':2 '2012':4 'crust':7,9 'eid':5,8,10 'metal':6 'of':3
                                    'search_combo'  '00dwimp':14 '00metal':15 '2012':17 'beats':4A 'by':2A 'cranes':13C 'crust':20,22 'downfall':5B 'drowning':1A 'eid':18,21,23 'gaia':7B 'in':9C 'metal':19 'of':6B,12C,16 'suffocating':8C 'swarm':11C 'the':10C 'wing':3A
                                    'tag_tracknum'  2
                                      'num_images'  0
                                             'key'  1A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-2', 'q-other-3', 'Q-HAP-1', 'q-bass-4', 'q-grit-4']
                                      'lastfmtags'  ['screamo', 'neocrust', 'crust', 'post metal', 'dark hardcore']
                                        'tag_date'  2012
                                     'discogstags'  ['rock']

============================== file details ==============================
                                           'mtime'  1620300588.9556532  (2021-05-06 13:29:48)
                             'size'  19527667