======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '276'
                                          'artist'  'Jethro Tull'
                                     'text_people'  ''
                                         'release'  'War Child [Bonus Tracks]'
                                           'title'  'War Child'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-2', 'Q-PLAY-3', 'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-3', "
 "'Q-PIANO-2', 'q-chart-4', 'q-drums-3', 'q-other-3', 'q-vocals-3', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['folk rock', 'rock', 'progressive rock', 'progressive', 'classic rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '01'
                                      'tracktotal'  ''
                                            'date'  '2002'
                                        'comments'  ''
                                           'genre'  'rock-cppex-classic;rock-cppex-progressive'
                                             'bpm'  '104.822'
                                             'key'  '11A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'War Child [Bonus Tracks]'
'TBPM' (BPM (beats per minute))                     '104.822'
'TCON' (Content type, a.k.a. Genre)                 ['rock-cppex-classic', 'rock-cppex-progressive']
'TDRC' (Recording time)                             '2002'
'TIT2' (Title/songname/content description)         'War Child'
'TKEY' (Initial key)                                '11A'
'TLEN' (Length)                                     '276000'
'TPE1' (Lead performer(s)/Soloist(s))               'Jethro Tull'
'TRCK' (Track number/Position in set)               '01'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-PIANO'                                      '2'
'TXXX:Q-PLAY'                                       '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['folk rock', 'rock', 'progressive rock', 'progressive', 'classic rock']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '4'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '3'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+0.86 dB'
'TXXX:replaygain_track_peak'                        '0.669726'

========================== row from database ==========================
                                              'id'  1300882
                                            'path'  /data/Music/Bulk/00poprockelectronic/Jethro Tull/Jethro Tull - 1974 - War Child/Jethro Tull - War Child - 01 - War Child.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  276
                                           'genre'  rock-cppex-classic;rock-cppex-progressive
                                        'filesize'  4432624
                                           'mtime'  1636039253
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 1974 01 rock cppex classic;rock cppex progressive
                                      'tag_artist'  Jethro Tull
                                     'tag_release'  War Child [Bonus Tracks]
                                       'tag_title'  War Child
                                             'bpm'  104.822
                                    'search_title'  'child':2 'war':1
                                   'search_artist'  'jethro':1 'tull':2
                                  'search_release'  'bonus':3,4 'child':2 'tracks':5,6 'war':1
                                     'search_rest'  '00poprockelectronic':1 '1974':2 'classic':5,7 'cppex':4 'progressive':9 'rock':3,6,8
                                    'search_combo'  '00poprockelectronic':11 '1974':12 'bonus':7C,8C 'child':2A,6C 'classic':15,17 'cppex':14 'jethro':3B 'progressive':19 'rock':13,16,18 'tracks':9C,10C 'tull':4B 'war':1A,5C
                                    'tag_tracknum'  1
                                      'num_images'  1
                                             'key'  11A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-mixbeat-2', 'Q-PIANO-2', 'Q-OLDST-2', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-4', 'q-other-3', 'Q-HAP-3', 'Q-PLAY-3', 'q-bass-3', 'q-grit-3']
                                      'lastfmtags'  ['folk rock', 'rock', 'progressive rock', 'progressive', 'classic rock']
                                        'tag_date'  2002
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1636039253.4334793  (2021-11-04 16:20:53)
                             'size'  4432624