======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '204'
                                          'artist'  'Talking Heads'
                                     'text_people'  ''
                                         'release'  'remain the light'
                                           'title'  'AudioTrack 06'
                                           '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-4', 'q-other-3', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['80s', 'new wave', 'alternative', 'post punk', 'rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '6'
                                      'tracktotal'  '8'
                                            'date'  '1985'
                                        'comments'  ''
                                           'genre'  'electronic-we-new wave or post punk'
                                             'bpm'  '97.553'
                                             'key'  '10B'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'remain the light'
'TBPM' (BPM (beats per minute))                     '97.553'
'TCON' (Content type, a.k.a. Genre)                 'electronic-we-new wave or post punk'
'TDRC' (Recording time)                             '1985'
'TIT2' (Title/songname/content description)         'AudioTrack 06'
'TKEY' (Initial key)                                '10B'
'TPE1' (Lead performer(s)/Soloist(s))               'Talking Heads'
'TRCK' (Track number/Position in set)               '6/8'
'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'                                      '4'
'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'                                     '2'
'TXXX:replaygain_track_gain'                        '+1.57 dB'
'TXXX:replaygain_track_peak'                        '0.898221'

========================== row from database ==========================
                                              'id'  1287200
                                            'path'  /data/Music/Bulk/00poprockelectronic/Talking Heads/Talking Heads - Remain In Light - Seen And Not Seen.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  204
                                           'genre'  electronic-we-new wave or post punk
                                        'filesize'  3275921
                                           'mtime'  1620572167
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Remain In Light Seen And Not Seen electronic we new wave or post punk
                                      'tag_artist'  Talking Heads
                                     'tag_release'  remain the light
                                       'tag_title'  AudioTrack 06
                                             'bpm'  97.553
                                    'search_title'  'audio':2 'audiotrack':1 'track':3
                                   'search_artist'  'heads':2 'talking':1
                                  'search_release'  'light':3 'remain':1 'the':2
                                     'search_rest'  '00poprockelectronic':1 'and':6 'electronic':8 'in':3 'light':4 'new':10 'not':7 'or':12 'post':13 'punk':14 'remain':2 'seen':5 'wave':11 'we':9
                                    'search_combo'  '00poprockelectronic':9 'and':14 'audio':2A 'audiotrack':1A 'electronic':16 'heads':5B 'in':11 'light':8C,12 'new':18 'not':15 'or':20 'post':21 'punk':22 'remain':6C,10 'seen':13 'talking':4B 'the':7C 'track':3A 'wave':19 'we':17
                                    'tag_tracknum'  6
                                      'num_images'  0
                                             'key'  10B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', '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'  1620572167.1683059  (2021-05-09 16:56:07)
                             'size'  3275921