======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '161'
                                          'artist'  'Elliott Smith'
                                     'text_people'  ''
                                         'release'  'XO'
                                           'title'  'A Question Mark'
                                           'quals'  ("['Q-HAP-2', 'Q-LOCALNESS-1', 'Q-UNU-1', 'Q-OLDST-3', 'Q-JZFKS-1', "
 "'Q-HHRNBTT-1', 'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-4', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['indie', 'acoustic', 'favorites', 'folk', 'singer songwriter']"
                                     'discogstags'  "['rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '12'
                                      'tracktotal'  ''
                                            'date'  '1998'
                                        'comments'  ''
                                           'genre'  'ifs-songwriter-indie;ifs-songwriter-indie-pop;ifs-songwriter-folk'
                                             'bpm'  '103.272'
                                             'key'  '10A'
                                        'acoustid'  ''
rest: ''

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

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'TALB' (Album/Movie/Show title)                     'XO'
'TBPM' (BPM (beats per minute))                     '103.272'
'TCON' (Content type, a.k.a. Genre)                 ['ifs-songwriter-indie', 'ifs-songwriter-indie-pop', 'ifs-songwriter-folk']
'TDRC' (Recording time)                             '1998-01-01'
'TIT2' (Title/songname/content description)         'A Question Mark'
'TKEY' (Initial key)                                '10A'
'TPE1' (Lead performer(s)/Soloist(s))               'Elliott Smith'
'TPUB' (Publisher)                                  'Plain'
'TRCK' (Track number/Position in set)               '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'
'TXXX:lastfmtags'                                   ['indie', 'acoustic', 'favorites', 'folk', 'singer songwriter']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '4'
'TXXX:q-drums'                                      '3'
'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'                        '-0.46 dB'
'TXXX:replaygain_track_peak'                        '0.371513'
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========================== row from database ==========================
                                              'id'  1277927
                                            'path'  /data/Music/Bulk/00singer-songwriter-eos/Elliott Smith/XO/12 - A Question Mark.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  161
                                           'genre'  ifs-songwriter-indie;ifs-songwriter-indie-pop;ifs-songwriter-folk
                                        'filesize'  2742392
                                           'mtime'  1637330500
                                   'redo_metaread'  0
                                        'rest_str'   00singer songwriter eos 12 ifs songwriter indie;ifs songwriter indie pop;ifs songwriter folk
                                      'tag_artist'  Elliott Smith
                                     'tag_release'  XO
                                       'tag_title'  A Question Mark
                                             'bpm'  103.272
                                    'search_title'  'a':1 'mark':3 'question':2
                                   'search_artist'  'elliott':1 'smith':2
                                  'search_release'  'xo':1
                                     'search_rest'  '00singer':1 'eos':3 'folk':14 'ifs':4,6,8,11,13 'indie':5,7,9 'pop':10,12 'songwriter':2
                                    'search_combo'  '00singer':7 'a':1A 'elliott':4B 'eos':9 'folk':20 'ifs':10,12,14,17,19 'indie':11,13,15 'mark':3A 'pop':16,18 'question':2A 'smith':5B 'songwriter':8 'xo':6C
                                    'tag_tracknum'  12
                                      'num_images'  1
                                             'key'  10A
                                           '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-3', 'q-syn-2', 'q-chart-4', 'q-other-3', 'Q-HAP-2', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['indie', 'acoustic', 'favorites', 'folk', 'singer songwriter']
                                        'tag_date'  1998
                                     'discogstags'  ['rock']

============================== file details ==============================
                                           'mtime'  1637330499.8045778  (2021-11-19 15:01:39)
                             'size'  2742392