======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '255'
                                          'artist'  'Boredoms'
                                     'text_people'  ''
                                         'release'  'Chocolate Synthesizer'
                                           'title'  'Action Synthesizer Hero'
                                           'quals'  ("['Q-HAP-2', 'Q-JZFKS-1', 'Q-UNU-2', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-3', 'q-syn-3', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  ("['noise', 'japanese', 'experimental', 'avant garde', 'psychedelic', 'noise "
 "rock']")
                                     'discogstags'  "['rock', 'avantgarde', 'noise', 'indie rock', 'psychedelic rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '08'
                                      'tracktotal'  ''
                                            'date'  '1994'
                                        'comments'  ''
                                           'genre'  'electronic-experimental'
                                             'bpm'  '141.5'
                                             'key'  '1A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'Chocolate Synthesizer'
'TBPM' (BPM (beats per minute))                     '141.5'
'TCON' (Content type, a.k.a. Genre)                 'electronic-experimental'
'TDRC' (Recording time)                             '1994'
'TIT2' (Title/songname/content description)         'Action Synthesizer Hero'
'TKEY' (Initial key)                                '1A'
'TPE1' (Lead performer(s)/Soloist(s))               'Boredoms'
'TRCK' (Track number/Position in set)               '08'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '2'
'TXXX:discogstags'                                  ['rock', 'avantgarde', 'noise', 'indie rock', 'psychedelic rock']
'TXXX:lastfmtags'                                   ['noise',
 'japanese',
 'experimental',
 'avant garde',
 'psychedelic',
 'noise rock']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '-0.57 dB'
'TXXX:replaygain_track_peak'                        '0.567632'

========================== row from database ==========================
                                              'id'  1366983
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/Boredoms - 1994  - Chocolate Synthesizer/08 - Action Synthesizer Hero.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  255
                                           'genre'  electronic-experimental
                                        'filesize'  10676730
                                           'mtime'  1622801597
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm 1994 08 electronic experimental
                                      'tag_artist'  Boredoms
                                     'tag_release'  Chocolate Synthesizer
                                       'tag_title'  Action Synthesizer Hero
                                             'bpm'  141.5
                                    'search_title'  'action':1 'hero':3 'synthesizer':2
                                   'search_artist'  'boredoms':1
                                  'search_release'  'chocolate':1 'synthesizer':2
                                     'search_rest'  '1994':1 'electronic':2 'experimental':3
                                    'search_combo'  '1994':7 'action':1A 'boredoms':4B 'chocolate':5C 'electronic':8 'experimental':9 'hero':3A 'synthesizer':2A,6C
                                    'tag_tracknum'  8
                                      'num_images'  1
                                             'key'  1A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-3', 'q-chart-2', 'q-other-3', 'Q-HAP-2', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['noise', 'japanese', 'experimental', 'avant garde', 'psychedelic', 'noise rock']
                                        'tag_date'  1994
                                     'discogstags'  ['rock', 'avantgarde', 'noise', 'indie rock', 'psychedelic rock']

============================== file details ==============================
                                           'mtime'  1622801597.0460958  (2021-06-04 12:13:17)
                             'size'  10676730