======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '215'
                                          'artist'  'The Mountain Goats'
                                     'text_people'  ''
                                         'release'  'All Hail West Texas'
                                           'title'  'The Mess Inside'
                                           'quals'  ("['Q-HAP-2', 'Q-UNU-1', 'Q-OLDST-3', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'Q-JZFKS-1', 'q-syn-2', 'q-bass-1', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-3', 'q-drums-1', 'q-other-4', 'q-piano-1', 'q-vocals-4', "
 "'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'  '09'
                                      'tracktotal'  ''
                                            'date'  '2002'
                                        'comments'  ''
                                           'genre'  'ifs-songwriter-indie'
                                             'bpm'  '110.122'
                                             'key'  '10A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'All Hail West Texas'
'TBPM' (BPM (beats per minute))                     '110.122'
'TCON' (Content type, a.k.a. Genre)                 'ifs-songwriter-indie'
'TDRC' (Recording time)                             '2002'
'TIT2' (Title/songname/content description)         'The Mess Inside'
'TKEY' (Initial key)                                '10A'
'TPE1' (Lead performer(s)/Soloist(s))               'The Mountain Goats'
'TPE2' (Band/orchestra/accompaniment)               'The Mountain Goats'
'TRCK' (Track number/Position in set)               '09'
'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'                                     '4'
'TXXX:replaygain_track_gain'                        '+0.76 dB'
'TXXX:replaygain_track_peak'                        '0.573635'

========================== row from database ==========================
                                              'id'  174718
                                            'path'  /data/Music/Bulk/00singer-songwriter-eos/The Mountain Goats/The Mountain Goats · All Hail West Texas, LP (2002)/09 the mess inside.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  215
                                           'genre'  ifs-songwriter-indie
                                        'filesize'  5168398
                                           'mtime'  1636400437
                                   'redo_metaread'  0
                                        'rest_str'   00singer songwriter eos · Texas, LP (2002) 09 the mess inside ifs songwriter indie
                                      'tag_artist'  The Mountain Goats
                                     'tag_release'  All Hail West Texas
                                       'tag_title'  The Mess Inside
                                             'bpm'  110.122
                                    'search_title'  'inside':3 'mess':2 'the':1
                                   'search_artist'  'goats':3 'mountain':2 'the':1
                                  'search_release'  'all':1 'hail':2 'texas':4 'west':3
                                     'search_rest'  '00singer':1 '2002':7,8 'eos':3 'ifs':12 'indie':13 'inside':11 'lp':6 'mess':10 'songwriter':2 'texas':4,5 'the':9
                                    'search_combo'  '00singer':11 '2002':17,18 'all':7C 'eos':13 'goats':6B 'hail':8C 'ifs':22 'indie':23 'inside':3A,21 'lp':16 'mess':2A,20 'mountain':5B 'songwriter':12 'texas':10C,14,15 'the':1A,4B,19 'west':9C
                                    'tag_tracknum'  9
                                      'num_images'  0
                                             'key'  10A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', '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'  1636400436.8478723  (2021-11-08 20:40:36)
                             'size'  5168398