======================== unified (from filesystem) ========================
                                         'bitrate'  '213.094'
                                        'duration'  '237'
                                          'artist'  'The Mountain Goats'
                                     'text_people'  'John Darnielle'
                                         'release'  'All Hail West Texas'
                                           'title'  'Riches and Wonders'
                                           'quals'  ("['Q-HAP-2', 'Q-UNU-1', 'Q-OLDST-3', 'Q-LOCALNESS-1', 'Q-JZFKS-1', "
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 "'q-chart-3', 'q-drums-1', 'q-other-4', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['indie', 'acoustic', 'lo fi', 'folk', 'pxs: loved']"
                                     'discogstags'  "['rock', 'folk rock', 'lo-fi', 'indie rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '8'
                                      'tracktotal'  ''
                                            'date'  '2002'
                                        'comments'  ''
                                           'genre'  'ifs-songwriter-indie'
                                             'bpm'  '88.9'
                                             'key'  '12B'
                                        'acoustid'  ''
rest: ''

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

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'TALB' (Album/Movie/Show title)                     'All Hail West Texas'
'TBPM' (BPM (beats per minute))                     '88.9'
'TCOM' (Composer)                                   'John Darnielle'
'TCON' (Content type, a.k.a. Genre)                 'ifs-songwriter-indie'
'TDRC' (Recording time)                             '2002'
'TIT2' (Title/songname/content description)         'Riches and Wonders'
'TKEY' (Initial key)                                '12B'
'TPE1' (Lead performer(s)/Soloist(s))               'The Mountain Goats'
'TPE2' (Band/orchestra/accompaniment)               'The Mountain Goats'
'TPUB' (Publisher)                                  'Emperor Jones'
'TRCK' (Track number/Position in set)               '8'
'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 rock', 'lo-fi', 'indie rock']
'TXXX:lastfmtags'                                   ['indie', 'acoustic', 'lo fi', 'folk', 'pxs: loved']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+0.67 dB'
'TXXX:replaygain_track_peak'                        '0.594822'

========================== row from database ==========================
                                              'id'  1350781
                                            'path'  /data/Music/Bulk/00poprockelectronic/The Mountain Goats/All Hail West Texas/08 riches and wonders.mp3
                                         'working'  None
                                         'bitrate'  213
                                    'duration_sec'  237
                                           'genre'  ifs-songwriter-indie
                                        'filesize'  6332416
                                           'mtime'  1636400576
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 08 riches wonders ifs songwriter indie
                                      'tag_artist'  The Mountain Goats
                                     'tag_release'  All Hail West Texas
                                       'tag_title'  Riches and Wonders
                                             'bpm'  88.9
                                    'search_title'  'and':2 'riches':1 'wonders':3
                                   'search_artist'  'goats':3 'mountain':2 'the':1
                                  'search_release'  'all':1 'hail':2 'texas':4 'west':3
                                     'search_rest'  '00poprockelectronic':1 'ifs':4 'indie':6 'riches':2 'songwriter':5 'wonders':3
                                    'search_combo'  '00poprockelectronic':11 'all':7C 'and':2A 'goats':6B 'hail':8C 'ifs':14 'indie':16 'mountain':5B 'riches':1A,12 'songwriter':15 'texas':10C 'the':4B 'west':9C 'wonders':3A,13
                                    'tag_tracknum'  8
                                      'num_images'  1
                                             'key'  12B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', '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-1', 'q-syn-2', 'q-chart-3', 'q-other-4', 'Q-HAP-2', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['indie', 'acoustic', 'lo fi', 'folk', 'pxs: loved']
                                        'tag_date'  2002
                                     'discogstags'  ['rock', 'folk rock', 'lo-fi', 'indie rock']

============================== file details ==============================
                                           'mtime'  1636400576.0959802  (2021-11-08 20:42:56)
                             'size'  6332416