======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '318'
                                          'artist'  'Talking Heads'
                                     'text_people'  ''
                                         'release'  'Sax and Violins'
                                           'title'  ''
                                           'quals'  ("['Q-HAP-2', 'Q-UNU-1', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', 'Q-JZFKS-1', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-4', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['80s', 'new wave', 'alternative', 'post punk', 'rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1985'
                                        'comments'  ''
                                           'genre'  'electronic-we-new wave or post punk'
                                             'bpm'  '112.696'
                                             'key'  '10B'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Sax and Violins'
'TBPM' (BPM (beats per minute))                     '112.696'
'TCON' (Content type, a.k.a. Genre)                 'electronic-we-new wave or post punk'
'TDRC' (Recording time)                             '1985'
'TKEY' (Initial key)                                '10B'
'TPE1' (Lead performer(s)/Soloist(s))               'Talking Heads'
'TXXX:Mp3gain_minmax'                               '116,208'
'TXXX:Mp3gain_undo'                                 '+002,+002,N'
'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:lastfmtags'                                   ['80s', 'new wave', 'alternative', 'post punk', 'rock']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '4'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-0.21 dB'
'TXXX:replaygain_track_peak'                        '0.793094'

========================== row from database ==========================
                                              'id'  1321384
                                            'path'  /data/Music/Bulk/00poprockelectronic/Talking Heads/Talking Heads - Sax and Violins.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  318
                                           'genre'  electronic-we-new wave or post punk
                                        'filesize'  5093694
                                           'mtime'  1620572172
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic electronic we new wave or post punk
                                      'tag_artist'  Talking Heads
                                     'tag_release'  Sax and Violins
                                       'tag_title'  None
                                             'bpm'  112.696
                                    'search_title'  None
                                   'search_artist'  'heads':2 'talking':1
                                  'search_release'  'and':2 'sax':1 'violins':3
                                     'search_rest'  '00poprockelectronic':1 'electronic':2 'new':4 'or':6 'post':7 'punk':8 'wave':5 'we':3
                                    'search_combo'  '00poprockelectronic':6 'and':4C 'electronic':7 'heads':2B 'new':9 'or':11 'post':12 'punk':13 'sax':3C 'talking':1B 'violins':5C 'wave':10 'we':8
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  10B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-mixbeat-2', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-piano-1', 'q-syn-2', 'q-chart-4', 'q-other-3', 'Q-HAP-2', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['80s', 'new wave', 'alternative', 'post punk', 'rock']
                                        'tag_date'  1985
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620572172.1579306  (2021-05-09 16:56:12)
                             'size'  5093694