======================== unified (from filesystem) ========================
                                         'bitrate'  '211.191'
                                        'duration'  '274'
                                          'artist'  'The Mountain Goats'
                                     'text_people'  ''
                                         'release'  'We Shall All Be Healed'
                                           'title'  'The Young Thousands'
                                           'quals'  ("['Q-HAP-2', 'Q-UNU-1', 'Q-OLDST-3', 'Q-LOCALNESS-1', 'Q-JZFKS-1', "
 "'Q-HHRNBTT-1', 'q-syn-2', 'q-bass-2', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-3', 'q-drums-2', 'q-other-3', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['indie', 'acoustic', 'lo fi', 'folk', 'pxs: loved']"
                                     'discogstags'  "['rock', 'folk rock', 'lo-fi']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '05'
                                      'tracktotal'  ''
                                            'date'  '2004'
                                        'comments'  ''
                                           'genre'  'ifs-songwriter-indie-unsorted'
                                             'bpm'  '120.0'
                                             'key'  '11B'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'We Shall All Be Healed'
'TBPM' (BPM (beats per minute))                     '120.0'
'TCON' (Content type, a.k.a. Genre)                 'ifs-songwriter-indie-unsorted'
'TDRC' (Recording time)                             '2004'
'TENC' (Encoded by)                                 'Exact Audio Copy   (Secure mode)'
'TIT2' (Title/songname/content description)         'The Young Thousands'
'TKEY' (Initial key)                                '11B'
'TLEN' (Length)                                     '273000'
'TPE1' (Lead performer(s)/Soloist(s))               'The Mountain Goats'
'TRCK' (Track number/Position in set)               '05'
'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']
'TXXX:lastfmtags'                                   ['indie', 'acoustic', 'lo fi', 'folk', 'pxs: loved']
'TXXX:q-bass'                                       '2'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '2'
'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'                                     '3'
'TXXX:replaygain_track_gain'                        '+0.47 dB'
'TXXX:replaygain_track_peak'                        '0.460694'

========================== row from database ==========================
                                              'id'  1358710
                                            'path'  /data/Music/Bulk/00poprockelectronic/The Mountain Goats/We Shall All Be Healed/05 - the young thousands .mp3
                                         'working'  None
                                         'bitrate'  211
                                    'duration_sec'  274
                                           'genre'  ifs-songwriter-indie-unsorted
                                        'filesize'  7253642
                                           'mtime'  1636402043
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 05 the young thousands ifs songwriter indie unsorted
                                      'tag_artist'  The Mountain Goats
                                     'tag_release'  We Shall All Be Healed
                                       'tag_title'  The Young Thousands
                                             'bpm'  120.0
                                    'search_title'  'the':1 'thousands':3 'young':2
                                   'search_artist'  'goats':3 'mountain':2 'the':1
                                  'search_release'  'all':3 'be':4 'healed':5 'shall':2 'we':1
                                     'search_rest'  '00poprockelectronic':1 'ifs':5 'indie':7 'songwriter':6 'the':2 'thousands':4 'unsorted':8 'young':3
                                    'search_combo'  '00poprockelectronic':12 'all':9C 'be':10C 'goats':6B 'healed':11C 'ifs':16 'indie':18 'mountain':5B 'shall':8C 'songwriter':17 'the':1A,4B,13 'thousands':3A,15 'unsorted':19 'we':7C 'young':2A,14
                                    'tag_tracknum'  5
                                      'num_images'  0
                                             'key'  11B
                                           '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-2', 'q-syn-2', 'q-chart-3', 'q-other-3', 'Q-HAP-2', 'q-bass-2', 'q-grit-2']
                                      'lastfmtags'  ['indie', 'acoustic', 'lo fi', 'folk', 'pxs: loved']
                                        'tag_date'  2004
                                     'discogstags'  ['rock', 'folk rock', 'lo-fi']

============================== file details ==============================
                                           'mtime'  1636402042.7573073  (2021-11-08 21:07:22)
                             'size'  7253642