======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '136'
                                          'artist'  'Ada Jones'
                                     'text_people'  ''
                                         'release'  'Edison  9792'
                                           'title'  'She Forgot To Bring Him Back'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-UNU-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-1', 'q-syn-1', 'q-bass-1', 'q-busy-3', 'q-grit-1', 'q-play-2', "
 "'q-chart-1', 'q-drums-1', 'q-other-2', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['gramophone', 'female vocalists', 'tin pan alley', 'vocal', 'all']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1908'
                                        'comments'  ''
                                           'genre'  'prerock-vocal'
                                             'bpm'  '135.004'
                                             'key'  '8A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Edison  9792'
'TBPM' (BPM (beats per minute))                     '135.004'
'TCON' (Content type, a.k.a. Genre)                 'prerock-vocal'
'TDRC' (Recording time)                             '1908'
'TIT2' (Title/songname/content description)         'She Forgot To Bring Him Back'
'TKEY' (Initial key)                                '8A'
'TPE1' (Lead performer(s)/Soloist(s))               'Ada Jones'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['gramophone', 'female vocalists', 'tin pan alley', 'vocal', 'all']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '1'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+2.75 dB'
'TXXX:replaygain_track_peak'                        '0.477344'

========================== row from database ==========================
                                              'id'  1433492
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/00oldiepop/1908/Ada Jones - She Forgot To Bring Him Back -9-1908.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  136
                                           'genre'  prerock-vocal
                                        'filesize'  2725682
                                           'mtime'  1620665956
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country 00oldiepop 1908 1908 prerock vocal
                                      'tag_artist'  Ada Jones
                                     'tag_release'  Edison  9792
                                       'tag_title'  She Forgot To Bring Him Back
                                             'bpm'  135.004
                                    'search_title'  'back':6 'bring':4 'forgot':2 'him':5 'she':1 'to':3
                                   'search_artist'  'ada':1 'jones':2
                                  'search_release'  '9792':2 'edison':1
                                     'search_rest'  '00oldiepop':5 '1908':6 'country':4 'exotica':2 'jazz':1 'oldies':3 'prerock':7 'vocal':8
                                    'search_combo'  '00oldiepop':15 '1908':16 '9792':10C 'ada':7B 'back':6A 'bring':4A 'country':14 'edison':9C 'exotica':12 'forgot':2A 'him':5A 'jazz':11 'jones':8B 'oldies':13 'prerock':17 'she':1A 'to':3A 'vocal':18
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  8A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-1', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-1', 'q-syn-1', 'q-chart-1', 'q-other-2', 'Q-HAP-3', 'q-bass-1', 'q-grit-1']
                                      'lastfmtags'  ['gramophone', 'female vocalists', 'tin pan alley', 'vocal', 'all']
                                        'tag_date'  1908
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620665955.9431484  (2021-05-10 18:59:15)
                             'size'  2725682