======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '173'
                                          'artist'  'Neutral Milk Hotel'
                                     'text_people'  ''
                                         'release'  'On Avery Island'
                                           'title'  "You've Passed"
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-LOCALNESS-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-1', 'q-other-4', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['indie', 'lo fi', 'folk', 'indie rock', 'elephant 6']"
                                     'discogstags'  "['rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '02'
                                      'tracktotal'  ''
                                            'date'  '1996'
                                        'comments'  ''
                                           'genre'  'ifs-songwriter-indie-rock'
                                             'bpm'  '140.725'
                                             'key'  '4A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'On Avery Island'
'TBPM' (BPM (beats per minute))                     '140.725'
'TCON' (Content type, a.k.a. Genre)                 'ifs-songwriter-indie-rock'
'TDRC' (Recording time)                             '1996'
'TIT2' (Title/songname/content description)         "You've Passed"
'TKEY' (Initial key)                                '4A'
'TPE1' (Lead performer(s)/Soloist(s))               'Neutral Milk Hotel'
'TRCK' (Track number/Position in set)               '02'
'TXXX:Q-HAP'                                        '3'
'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', 'lo fi', 'folk', 'indie rock', 'elephant 6']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '4'
'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'                                     '2'
'TXXX:replaygain_track_gain'                        '-3.17 dB'
'TXXX:replaygain_track_peak'                        '0.847838'

========================== row from database ==========================
                                              'id'  1502268
                                            'path'  /data/Music/Bulk/00poprockelectronic-poprock-indierock/Neutral Milk Hotel/On Avery Island/Neutral Milk Hotel - On Avery Island - 02 - You_ve Passed.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  173
                                           'genre'  ifs-songwriter-indie-rock
                                        'filesize'  2797526
                                           'mtime'  1621697339
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic poprock indierock 02 You_ve ifs songwriter indie rock
                                      'tag_artist'  Neutral Milk Hotel
                                     'tag_release'  On Avery Island
                                       'tag_title'  You've Passed
                                             'bpm'  140.725
                                    'search_title'  'passed':4 've':2 'you':1 'youve':3
                                   'search_artist'  'hotel':3 'milk':2 'neutral':1
                                  'search_release'  'avery':2 'island':3 'on':1
                                     'search_rest'  '00poprockelectronic':1 'ifs':6 'indie':8 'indierock':3 'poprock':2 'rock':9 'songwriter':7 've':5 'you':4
                                    'search_combo'  '00poprockelectronic':11 'avery':9C 'hotel':7B 'ifs':16 'indie':18 'indierock':13 'island':10C 'milk':6B 'neutral':5B 'on':8C 'passed':4A 'poprock':12 'rock':19 'songwriter':17 've':2A,15 'you':1A,14 'youve':3A
                                    'tag_tracknum'  2
                                      'num_images'  1
                                             'key'  4A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', '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-4', 'q-other-4', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['indie', 'lo fi', 'folk', 'indie rock', 'elephant 6']
                                        'tag_date'  1996
                                     'discogstags'  ['rock']

============================== file details ==============================
                                           'mtime'  1621697338.719548  (2021-05-22 17:28:58)
                             'size'  2797526