======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '291'
                                          'artist'  'ANV2'
                                     'text_people'  ''
                                         'release'  'Amiga Nostalgics Volume 2'
                                           'title'  'Walker'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-JZFKS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-3', 'q-syn-3', 'q-bass-4', 'q-busy-2', 'q-grit-2', 'q-play-2', "
 "'q-chart-1', 'q-drums-2', 'q-other-3', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-1']")
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '15'
                                      'tracktotal'  ''
                                            'date'  '2001'
                                        'comments'  ''
                                           'genre'  'soundtrack-game'
                                             'bpm'  '101.158'
                                             'key'  '8A'
                                        'acoustid'  ''
rest: ''

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

'COMM:ID3v1 Comment:XXX'                            ' 000002CE 00000466 000014C3'
'COMM:iTunNORM:eng'                                 (' 000002CE 00000466 000014C3 0000159C 0003347E 00035BA5 000051E5 00006DC4 '
 '00033495 0003A9C5')
'TALB' (Album/Movie/Show title)                     'Amiga Nostalgics Volume 2'
'TBPM' (BPM (beats per minute))                     '101.158'
'TCON' (Content type, a.k.a. Genre)                 'soundtrack-game'
'TDRC' (Recording time)                             '2001'
'TIT2' (Title/songname/content description)         'Walker'
'TKEY' (Initial key)                                '8A'
'TPE1' (Lead performer(s)/Soloist(s))               'ANV2'
'TRCK' (Track number/Position in set)               '15'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '2'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-1.87 dB'
'TXXX:replaygain_track_peak'                        '0.672460'

========================== row from database ==========================
                                              'id'  769608
                                            'path'  /data/Music/Bulk/0soundtrack/Amiga/Amiga Nostalgics Volume 2 [192]/15 - Walker.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  291
                                           'genre'  soundtrack-game
                                        'filesize'  6987648
                                           'mtime'  1636916136
                                   'redo_metaread'  0
                                        'rest_str'   0soundtrack [192] 15 soundtrack game
                                      'tag_artist'  ANV2
                                     'tag_release'  Amiga Nostalgics Volume 2
                                       'tag_title'  Walker
                                             'bpm'  101.158
                                    'search_title'  'walker':1
                                   'search_artist'  'anv2':1
                                  'search_release'  '2':4 'amiga':1 'nostalgics':2 'volume':3
                                     'search_rest'  '0soundtrack':1 '192':2,3 'game':5 'soundtrack':4
                                    'search_combo'  '0soundtrack':7 '192':8,9 '2':6C 'amiga':3C 'anv2':2B 'game':11 'nostalgics':4C 'soundtrack':10 'volume':5C 'walker':1A
                                    'tag_tracknum'  15
                                      'num_images'  0
                                             'key'  8A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-2', 'q-drums-2', 'q-syn-3', 'q-chart-1', 'q-other-3', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  []
                                        'tag_date'  2001
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1636916135.6656287  (2021-11-14 19:55:35)
                             'size'  6987648