======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '208'
                                          'artist'  'Adele'
                                     'text_people'  ''
                                         'release'  '21'
                                           'title'  'Hiding My Heart (Bonus Track)'
                                           'quals'  ("['Q-HAP-2', 'Q-UNU-1', 'Q-HHRNBTT-1', 'Q-JZFKS-3', 'Q-OLDST-2', "
 "'Q-LOCALNESS-1', 'q-syn-2', 'q-bass-1', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-4', 'q-drums-1', 'q-other-3', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['indie', 'female vocalists', 'soul', 'british', 'singer songwriter']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '17'
                                      'tracktotal'  ''
                                            'date'  '2011'
                                        'comments'  ''
                                           'genre'  'ifs-songwriter-soul'
                                             'bpm'  '136.643'
                                             'key'  '1B'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     '21'
'TBPM' (BPM (beats per minute))                     '136.643'
'TCON' (Content type, a.k.a. Genre)                 'ifs-songwriter-soul'
'TCOP' (Copyright message)                          'ramifede.blogspot.com'
'TDRC' (Recording time)                             '2011'
'TENC' (Encoded by)                                 'ramifede.blogspot.com'
'TIT2' (Title/songname/content description)         'Hiding My Heart (Bonus Track)'
'TKEY' (Initial key)                                '1B'
'TPE1' (Lead performer(s)/Soloist(s))               'Adele'
'TPE2' (Band/orchestra/accompaniment)               'Adele'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'ramifede.blogspot.com'
'TRCK' (Track number/Position in set)               '17'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '3'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['indie', 'female vocalists', 'soul', 'british', 'singer songwriter']
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '4'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+1.23 dB'
'TXXX:replaygain_track_peak'                        '0.367955'
'WOAR:ramifede.blogspot.com'                        WOAR(url='ramifede.blogspot.com')

========================== row from database ==========================
                                              'id'  1265710
                                            'path'  /data/Music/Bulk/00singer-songwriter-eos/Adele - 21 [2011] + Bonus Tracks/17. Adele - Hiding My Heart (Bonus Track).mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  208
                                           'genre'  ifs-songwriter-soul
                                        'filesize'  8386131
                                           'mtime'  1640869992
                                   'redo_metaread'  0
                                        'rest_str'   00singer songwriter eos [2011] + Tracks 17. ifs songwriter soul
                                      'tag_artist'  Adele
                                     'tag_release'  21
                                       'tag_title'  Hiding My Heart (Bonus Track)
                                             'bpm'  136.643
                                    'search_title'  'bonus':4,5 'heart':3 'hiding':1 'my':2 'track':6,7
                                   'search_artist'  'adele':1
                                  'search_release'  '21':1
                                     'search_rest'  '00singer':1 '17':7,8 '2011':4,5 'eos':3 'ifs':9 'songwriter':2 'soul':10 'tracks':6
                                    'search_combo'  '00singer':10 '17':16,17 '2011':13,14 '21':9C 'adele':8B 'bonus':4A,5A 'eos':12 'heart':3A 'hiding':1A 'ifs':18 'my':2A 'songwriter':11 'soul':19 'track':6A,7A 'tracks':15
                                    'tag_tracknum'  17
                                      'num_images'  1
                                             'key'  1B
                                           'quals'  ['Q-HAP-2', 'Q-UNU-1', 'Q-HHRNBTT-1', 'Q-JZFKS-3', 'Q-OLDST-2', 'Q-LOCALNESS-1', 'q-syn-2', 'q-bass-1', 'q-busy-3', 'q-grit-2', 'q-play-3', 'q-chart-4', 'q-drums-1', 'q-other-3', 'q-piano-1', 'q-vocals-4', 'q-mixbeat-1']
                                      'lastfmtags'  ['indie', 'female vocalists', 'soul', 'british', 'singer songwriter']
                                        'tag_date'  2011
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1640869992.1109383  (2021-12-30 14:13:12)
                             'size'  8386131