======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '108'
                                          'artist'  'Anois'
                                     'text_people'  ''
                                         'release'  'Tree House Whispers'
                                           'title'  'There Must Be Some Book About It'
                                           'quals'  ("['Q-HAP-2', 'Q-UNU-1', 'Q-OLDST-3', 'Q-LOCALNESS-1', 'Q-JZFKS-1', "
 "'Q-HHRNBTT-1', 'Q-PLAY-2', 'q-syn-2', 'q-bass-1', 'q-busy-3', 'q-grit-2', "
 "'q-chart-2', 'q-drums-1', 'q-other-4', 'q-vocals-1', 'q-mixbeat-1', "
 "'Q-PIANO-2']")
                                      'lastfmtags'  "['indie', 'acoustic', 'celtic', 'electronic', 'folk']"
                                     'discogstags'  "['electronic', 'rock', 'acoustic', 'downtempo']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '5'
                                      'tracktotal'  '13'
                                            'date'  '2009'
                                        'comments'  ''
                                           'genre'  'ifs-songwriter-indie'
                                             'bpm'  '141.118'
                                             'key'  '9B'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'Tree House Whispers'
'TBPM' (BPM (beats per minute))                     '141.118'
'TCON' (Content type, a.k.a. Genre)                 'ifs-songwriter-indie'
'TDRC' (Recording time)                             '2009'
'TIT2' (Title/songname/content description)         'There Must Be Some Book About It'
'TKEY' (Initial key)                                '9B'
'TPE1' (Lead performer(s)/Soloist(s))               'Anois'
'TRCK' (Track number/Position in set)               '5/13'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-PIANO'                                      '2'
'TXXX:Q-PLAY'                                       '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:discogstags'                                  ['electronic', 'rock', 'acoustic', 'downtempo']
'TXXX:lastfmtags'                                   ['indie', 'acoustic', 'celtic', 'electronic', 'folk']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '4'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+1.11 dB'
'TXXX:replaygain_track_peak'                        '0.443994'

========================== row from database ==========================
                                              'id'  1255899
                                            'path'  /data/Music/Bulk/00singer-songwriter-eos/Anois/Tree House Whispers/05 - there must be some book about it.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  108
                                           'genre'  ifs-songwriter-indie
                                        'filesize'  4362240
                                           'mtime'  1636400581
                                   'redo_metaread'  0
                                        'rest_str'   00singer songwriter eos 05 there must be some book about it ifs songwriter indie
                                      'tag_artist'  Anois
                                     'tag_release'  Tree House Whispers
                                       'tag_title'  There Must Be Some Book About It
                                             'bpm'  141.118
                                    'search_title'  'about':6 'be':3 'book':5 'it':7 'must':2 'some':4 'there':1
                                   'search_artist'  'anois':1
                                  'search_release'  'house':2 'tree':1 'whispers':3
                                     'search_rest'  '00singer':1 'about':9 'be':6 'book':8 'eos':3 'ifs':11 'indie':12 'it':10 'must':5 'some':7 'songwriter':2 'there':4
                                    'search_combo'  '00singer':12 'about':6A,20 'anois':8B 'be':3A,17 'book':5A,19 'eos':14 'house':10C 'ifs':22 'indie':23 'it':7A,21 'must':2A,16 'some':4A,18 'songwriter':13 'there':1A,15 'tree':9C 'whispers':11C
                                    'tag_tracknum'  5
                                      'num_images'  1
                                             'key'  9B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-mixbeat-1', 'Q-PIANO-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-1', 'q-syn-2', 'q-chart-2', 'q-other-4', 'Q-HAP-2', 'Q-PLAY-2', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['indie', 'acoustic', 'celtic', 'electronic', 'folk']
                                        'tag_date'  2009
                                     'discogstags'  ['electronic', 'rock', 'acoustic', 'downtempo']

============================== file details ==============================
                                           'mtime'  1636400580.9102693  (2021-11-08 20:43:00)
                             'size'  4362240