======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '409'
                                          'artist'  'Pest'
                                     'text_people'  ''
                                         'release'  'Best of Trip Hop 4'
                                           'title'  'St. Pest'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-2', 'Q-JZFKS-2', 'Q-LOCALNESS-1', 'q-syn-2', 'q-bass-4', "
 "'q-busy-3', 'q-grit-2', 'q-play-3', 'Q-OLDST-3', 'q-chart-2', 'q-drums-3', "
 "'q-other-2', 'q-piano-1', 'q-vocals-1', 'Q-HHRNBTT-1', 'q-mixbeat-2']")
                                      'lastfmtags'  ("['black metal', 'raw black metal', 'ninja tune', 'swedish black metal', "
 "'swedish']")
                                     'discogstags'  "['electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '6'
                                      'tracktotal'  ''
                                            'date'  '2003'
                                        'comments'  ''
                                           'genre'  'electronic-trip hop or downtempo or acid jazz'
                                             'bpm'  '113.836'
                                             'key'  '11B'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Best of Trip Hop 4'
'TBPM' (BPM (beats per minute))                     '113.836'
'TCON' (Content type, a.k.a. Genre)                 'electronic-trip hop or downtempo or acid jazz'
'TDRC' (Recording time)                             '2003'
'TIT2' (Title/songname/content description)         'St. Pest'
'TKEY' (Initial key)                                '11B'
'TPE1' (Lead performer(s)/Soloist(s))               'Pest'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TRCK' (Track number/Position in set)               '6'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '2'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '2'
'TXXX:discogstags'                                  'electronic'
'TXXX:lastfmtags'                                   ['black metal',
 'raw black metal',
 'ninja tune',
 'swedish black metal',
 'swedish']
'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'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-1.24 dB'
'TXXX:replaygain_track_peak'                        '0.572932'

========================== row from database ==========================
                                              'id'  1331630
                                            'path'  /data/Music/Bulk/00poprockelectronic/00trip/Best of Trip Hop Vol. 1-4/Best of Trip Hop Vol.4 Presents by Maege/10_Album_17_.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  409
                                           'genre'  electronic-trip hop or downtempo or acid jazz
                                        'filesize'  9820436
                                           'mtime'  1636910301
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 00trip Vol. 1 Vol.4 Presents by Maege 10_Album_17_ electronic trip hop or downtempo or acid jazz
                                      'tag_artist'  Pest
                                     'tag_release'  Best of Trip Hop 4
                                       'tag_title'  St. Pest
                                             'bpm'  113.836
                                    'search_title'  'pest':3 'st':1,2
                                   'search_artist'  'pest':1
                                  'search_release'  '4':5 'best':1 'hop':4 'of':2 'trip':3
                                     'search_rest'  '00poprockelectronic':1 '00trip':2 '1':5 '10':12 '17':14 '4':7 'acid':20 'album':13 'by':10 'downtempo':19 'electronic':15 'hop':17 'jazz':21 'maege':11 'or':18 'presents':9 'trip':16 'vol':3,4,6 'vol4':8
                                    'search_combo'  '00poprockelectronic':10 '00trip':11 '1':14 '10':21 '17':23 '4':9C,16 'acid':29 'album':22 'best':5C 'by':19 'downtempo':28 'electronic':24 'hop':8C,26 'jazz':30 'maege':20 'of':6C 'or':27 'pest':3A,4B 'presents':18 'st':1A,2A 'trip':7C,25 'vol':12,13,15 'vol4':17
                                    'tag_tracknum'  6
                                      'num_images'  0
                                             'key'  11B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-2', 'Q-JZFKS-2', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-2', 'q-other-2', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['black metal', 'raw black metal', 'ninja tune', 'swedish black metal', 'swedish']
                                        'tag_date'  2003
                                     'discogstags'  ['electronic']

============================== file details ==============================
                                           'mtime'  1636910301.0968595  (2021-11-14 18:18:21)
                             'size'  9820436