======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '428'
                                          'artist'  'Ani DiFranco'
                                     'text_people'  ''
                                         'release'  'Dilate'
                                           'title'  'Amazing Grace'
                                           'quals'  ("['Q-HAP-2', 'Q-LOCALNESS-1', 'Q-UNU-1', 'Q-OLDST-3', 'Q-JZFKS-1', "
 "'Q-HHRNBTT-1', 'q-syn-2', 'q-bass-2', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-4', 'q-drums-4', 'q-other-1', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['indie', 'folk rock', 'female vocalists', 'folk', 'singer songwriter']"
                                     'discogstags'  "['rock', 'folk rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '5'
                                      'tracktotal'  ''
                                            'date'  '1996'
                                        'comments'  ''
                                           'genre'  'ifs-songwriter-eos'
                                             'bpm'  '109.645'
                                             'key'  '9A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Dilate'
'TBPM' (BPM (beats per minute))                     '109.645'
'TCON' (Content type, a.k.a. Genre)                 'ifs-songwriter-eos'
'TDRC' (Recording time)                             '1996'
'TIT2' (Title/songname/content description)         'Amazing Grace'
'TKEY' (Initial key)                                '9A'
'TPE1' (Lead performer(s)/Soloist(s))               'Ani DiFranco'
'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-UNU'                                        '1'
'TXXX:discogstags'                                  ['rock', 'folk rock']
'TXXX:lastfmtags'                                   ['indie', 'folk rock', 'female vocalists', 'folk', 'singer songwriter']
'TXXX:q-bass'                                       '2'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '4'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+0.97 dB'
'TXXX:replaygain_track_peak'                        '0.818013'

========================== row from database ==========================
                                              'id'  1381131
                                            'path'  /data/Music/Bulk/00singer-songwriter-eos/00songwriter-eos/Ani DiFranco/Dilate/MBZ;#Ani DiFranco;#Dilate;#05;#Amazing Grace.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  428
                                           'genre'  ifs-songwriter-eos
                                        'filesize'  6854187
                                           'mtime'  1636401233
                                   'redo_metaread'  0
                                        'rest_str'   00singer songwriter eos 00songwriter eos MBZ;#Ani DiFranco;#Dilate;#05;#Amazing ifs songwriter eos
                                      'tag_artist'  Ani DiFranco
                                     'tag_release'  Dilate
                                       'tag_title'  Amazing Grace
                                             'bpm'  109.645
                                    'search_title'  'amazing':1 'grace':2
                                   'search_artist'  'ani':1 'di':3 'difranco':2 'franco':4
                                  'search_release'  'dilate':1
                                     'search_rest'  '00singer':1 '00songwriter':4 '05':11,15,21,25 'amazing':12,16,22,26 'ani':6,8 'di':18 'difranco':9,13 'dilate':10,14,20,24 'eos':3 'franco':19,23 'ifs':17 'mbz':5,7 'songwriter':2
                                    'search_combo'  '00singer':8 '00songwriter':11 '05':18,22,28,32 'amazing':1A,19,23,29,33 'ani':3B,13,15 'di':5B,25 'difranco':4B,16,20 'dilate':7C,17,21,27,31 'eos':10 'franco':6B,26,30 'grace':2A 'ifs':24 'mbz':12,14 'songwriter':9
                                    'tag_tracknum'  5
                                      'num_images'  0
                                             'key'  9A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', '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-1', 'Q-HAP-2', 'q-bass-2', 'q-grit-2']
                                      'lastfmtags'  ['indie', 'folk rock', 'female vocalists', 'folk', 'singer songwriter']
                                        'tag_date'  1996
                                     'discogstags'  ['rock', 'folk rock']

============================== file details ==============================
                                           'mtime'  1636401232.8647077  (2021-11-08 20:53:52)
                             'size'  6854187