======================== unified (from filesystem) ========================
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                                        'duration'  '195'
                                          'artist'  'The Mountain Goats'
                                     'text_people'  ''
                                         'release'  'The Life Of The World To Come'
                                           'title'  'Psalms 40:2'
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 "'q-chart-3', 'q-drums-4', 'q-other-3', 'q-piano-1', 'q-vocals-2', "
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                                      'lastfmtags'  "['indie', 'acoustic', 'lo fi', 'folk', 'pxs: loved']"
                                     'discogstags'  ("['rock', 'folk, world, & country', 'folk rock', 'acoustic', 'lo-fi', 'indie "
 "rock']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '2'
                                      'tracktotal'  '12'
                                            'date'  '2009'
                                        'comments'  ''
                                           'genre'  'ifs-songwriter'
                                             'bpm'  '106.4'
                                             'key'  '5A'
                                        'acoustid'  ''
rest: ''

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

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'COMM:iTunes_CDDB_TrackNumber:eng'                  '2'
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'TALB' (Album/Movie/Show title)                     'The Life Of The World To Come'
'TBPM' (BPM (beats per minute))                     '106.4'
'TCON' (Content type, a.k.a. Genre)                 'ifs-songwriter'
'TDRC' (Recording time)                             '2009'
'TENC' (Encoded by)                                 'iTunes 8.2'
'TIT2' (Title/songname/content description)         'Psalms 40:2'
'TKEY' (Initial key)                                '5A'
'TPE1' (Lead performer(s)/Soloist(s))               'The Mountain Goats'
'TPE2' (Band/orchestra/accompaniment)               'The Mountain Goats'
'TRCK' (Track number/Position in set)               '2/12'
'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:discogstags'                                  ['rock',
 'folk, world, & country',
 'folk rock',
 'acoustic',
 'lo-fi',
 'indie rock']
'TXXX:lastfmtags'                                   ['indie', 'acoustic', 'lo fi', 'folk', 'pxs: loved']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '-0.39 dB'
'TXXX:replaygain_track_peak'                        '0.603599'

========================== row from database ==========================
                                              'id'  1299660
                                            'path'  /data/Music/Bulk/00poprockelectronic/The Mountain Goats/The Life Of The World To Come/02 - The Mountain Goats- Psalms 402.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  195
                                           'genre'  ifs-songwriter
                                        'filesize'  3133999
                                           'mtime'  1628357239
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 02 402 ifs songwriter
                                      'tag_artist'  The Mountain Goats
                                     'tag_release'  The Life Of The World To Come
                                       'tag_title'  Psalms 40:2
                                             'bpm'  106.4
                                    'search_title'  '2':3 '40':2 '402':4 'psalms':1
                                   'search_artist'  'goats':3 'mountain':2 'the':1
                                  'search_release'  'come':6 'life':2 'of':3 'the':1 'to':5 'world':4
                                     'search_rest'  '00poprockelectronic':1 '402':2 'ifs':3 'songwriter':4
                                    'search_combo'  '00poprockelectronic':14 '2':3A '40':2A '402':4A,15 'come':13C 'goats':7B 'ifs':16 'life':9C 'mountain':6B 'of':10C 'psalms':1A 'songwriter':17 'the':5B,8C 'to':12C 'world':11C
                                    'tag_tracknum'  2
                                      'num_images'  0
                                             'key'  5A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-2', 'q-chart-3', 'q-other-3', 'Q-HAP-2', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['indie', 'acoustic', 'lo fi', 'folk', 'pxs: loved']
                                        'tag_date'  2009
                                     'discogstags'  ['rock', 'folk, world, & country', 'folk rock', 'acoustic', 'lo-fi', 'indie rock']

============================== file details ==============================
                                           'mtime'  1628357239.2803235  (2021-08-07 19:27:19)
                             'size'  3133999