======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '256'
                                          'artist'  'Bat for Lashes'
                                     'text_people'  ''
                                         'release'  'Fur & Gold'
                                           'title'  'Sad Eyes'
                                           'quals'  ("['Q-HAP-2', 'Q-LOCALNESS-1', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-OLDST-3', "
 "'Q-HHRNBTT-1', 'Q-PLAY-2', 'q-syn-2', 'q-bass-2', 'q-busy-3', 'q-grit-2', "
 "'q-chart-4', 'q-drums-1', 'q-other-1', 'q-vocals-4', 'q-mixbeat-2', "
 "'Q-PIANO-4']")
                                      'lastfmtags'  "['indie', 'alternative', 'female vocalists', 'folk', 'singer songwriter']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '5'
                                      'tracktotal'  ''
                                            'date'  '2007'
                                        'comments'  ''
                                           'genre'  'ifs-songwriter'
                                             'bpm'  '135.8'
                                             'key'  '8B'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'PRIV:AverageLevel:{\x15\x00\x00'                   PRIV(owner='AverageLevel', data=b'{\x15\x00\x00')
'PRIV:PeakValue:¡\x7f\x00\x00'                      PRIV(owner='PeakValue', data=b'\xa1\x7f\x00\x00')
'TALB' (Album/Movie/Show title)                     'Fur & Gold'
'TBPM' (BPM (beats per minute))                     '135.8'
'TCON' (Content type, a.k.a. Genre)                 'ifs-songwriter'
'TDRC' (Recording time)                             '2007'
'TIT2' (Title/songname/content description)         'Sad Eyes'
'TKEY' (Initial key)                                '8B'
'TPE1' (Lead performer(s)/Soloist(s))               'Bat for Lashes'
'TPUB' (Publisher)                                  'Caroline'
'TRCK' (Track number/Position in set)               '5'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-PIANO'                                      '4'
'TXXX:Q-PLAY'                                       '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['indie', 'alternative', 'female vocalists', 'folk', 'singer songwriter']
'TXXX:q-bass'                                       '2'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '4'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '1'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+1.82 dB'
'TXXX:replaygain_track_peak'                        '0.426836'

========================== row from database ==========================
                                              'id'  1238119
                                            'path'  /data/Music/Bulk/00singer-songwriter-eos/Bat for Lashes/Fur & Gold/05 sad eyes.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  256
                                           'genre'  ifs-songwriter
                                        'filesize'  6198736
                                           'mtime'  1636401777
                                   'redo_metaread'  0
                                        'rest_str'   00singer songwriter eos 05 sad eyes ifs songwriter
                                      'tag_artist'  Bat for Lashes
                                     'tag_release'  Fur & Gold
                                       'tag_title'  Sad Eyes
                                             'bpm'  135.8
                                    'search_title'  'eyes':2 'sad':1
                                   'search_artist'  'bat':1 'for':2 'lashes':3
                                  'search_release'  'fur':1 'gold':2
                                     'search_rest'  '00singer':1 'eos':3 'eyes':5 'ifs':6 'sad':4 'songwriter':2
                                    'search_combo'  '00singer':8 'bat':3B 'eos':10 'eyes':2A,12 'for':4B 'fur':6C 'gold':7C 'ifs':13 'lashes':5B 'sad':1A,11 'songwriter':9
                                    'tag_tracknum'  5
                                      'num_images'  1
                                             'key'  8B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-1', 'q-mixbeat-2', 'Q-PIANO-4', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-1', 'q-syn-2', 'q-chart-4', 'q-other-1', 'Q-HAP-2', 'Q-PLAY-2', 'q-bass-2', 'q-grit-2']
                                      'lastfmtags'  ['indie', 'alternative', 'female vocalists', 'folk', 'singer songwriter']
                                        'tag_date'  2007
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1636401776.8183355  (2021-11-08 21:02:56)
                             'size'  6198736