======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '378'
                                          'artist'  'The Prodigy'
                                     'text_people'  ''
                                         'release'  'Singles Remix'
                                           'title'  'Poison (Environmental Science dub mix)'
                                           'quals'  ("['Q-HAP-3', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', 'Q-JZFKS-1', 'Q-UNU-1', "
 "'Q-OLDST-3', 'q-syn-3', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-4', 'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-3']")
                                      'lastfmtags'  "['industrial', 'dance', 'techno', 'electronic', 'electronica']"
                                     'discogstags'  "['electronic', 'breakbeat', 'big beat']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '12'
                                      'tracktotal'  '12'
                                            'date'  '1998'
                                        'comments'  ''
                                           'genre'  'electronic-generic or radio-bigbeat'
                                             'bpm'  '104'
                                             'key'  '6B'
                                        'acoustid'  '9a47762e-4f6a-4e77-aa39-9eeb9a38d405'
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'Singles Remix'
'TBPM' (BPM (beats per minute))                     '104'
'TCON' (Content type, a.k.a. Genre)                 'electronic-generic or radio-bigbeat'
'TDRC' (Recording time)                             '1998'
'TIT2' (Title/songname/content description)         'Poison (Environmental Science dub mix)'
'TKEY' (Initial key)                                '6B'
'TPE1' (Lead performer(s)/Soloist(s))               'The Prodigy'
'TPE2' (Band/orchestra/accompaniment)               'The Prodigy'
'TPOS' (Part of a set)                              '2/2'
'TRCK' (Track number/Position in set)               '12/12'
'TSO2'                                              'Prodigy, The'
'TSOP' (Performer sort order)                       'Prodigy, The'
'TSRC' (ISRC (international standard recording code))  'GBBKS9500026'
'TXXX:Acoustid Id'                                  '9a47762e-4f6a-4e77-aa39-9eeb9a38d405'
'TXXX:Artists'                                      'The Prodigy'
'TXXX:MusicBrainz Album Artist Id'                  '4a4ee089-93b1-4470-af9a-6ff575d32704'
'TXXX:MusicBrainz Album Id'                         '30f81f7a-f827-4bf8-838e-d738215426ce'
'TXXX:MusicBrainz Album Status'                     'bootleg'
'TXXX:MusicBrainz Album Type'                       'album/remix'
'TXXX:MusicBrainz Artist Id'                        '4a4ee089-93b1-4470-af9a-6ff575d32704'
'TXXX:MusicBrainz Release Group Id'                 '142fa927-8ee1-3933-be2a-d0f50ec1e29e'
'TXXX:MusicBrainz Release Track Id'                 'f7bd96a3-d395-3613-b341-7c9c2da94922'
'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:SCRIPT'                                       'Latn'
'TXXX:discogstags'                                  ['electronic', 'breakbeat', 'big beat']
'TXXX:lastfmtags'                                   ['industrial', 'dance', 'techno', 'electronic', 'electronica']
'TXXX:mood'                                         'Not acoustic/Relaxed/Not happy/Not party/Not aggressive/Electronic/Not sad'
'TXXX:original release date'                        ['1998', '1998']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '4'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '3'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-0.11 dB'
'TXXX:replaygain_track_peak'                        '0.799618'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'e4fb6cf7-ddf3-4f0f-b811-39562187a590')

========================== row from database ==========================
                                              'id'  1292191
                                            'path'  /data/Music/Bulk/00poprockelectronic/Prodigy/Remixes/Prodigy - Poison (Environmental Science Dub Mix) - 12.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  378
                                           'genre'  electronic-generic or radio-bigbeat
                                        'filesize'  6142640
                                           'mtime'  1621696525
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Remixes Dub Mix) 12 electronic generic or radio bigbeat
                                      'tag_artist'  The Prodigy
                                     'tag_release'  Singles Remix
                                       'tag_title'  Poison (Environmental Science dub mix)
                                             'bpm'  104.0
                                    'search_title'  'dub':5 'environmental':2,3 'mix':6,7 'poison':1 'science':4
                                   'search_artist'  'prodigy':2 'the':1
                                  'search_release'  'remix':2 'singles':1
                                     'search_rest'  '00poprockelectronic':1 'bigbeat':10 'dub':3 'electronic':6 'generic':7 'mix':4,5 'or':8 'radio':9 'remixes':2
                                    'search_combo'  '00poprockelectronic':12 'bigbeat':21 'dub':5A,14 'electronic':17 'environmental':2A,3A 'generic':18 'mix':6A,7A,15,16 'or':19 'poison':1A 'prodigy':9B 'radio':20 'remix':11C 'remixes':13 'science':4A 'singles':10C 'the':8B
                                    'tag_tracknum'  12
                                      'num_images'  1
                                             'key'  6B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-3', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-3', 'q-chart-4', 'q-other-2', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['industrial', 'dance', 'techno', 'electronic', 'electronica']
                                        'tag_date'  1998
                                     'discogstags'  ['electronic', 'breakbeat', 'big beat']

============================== file details ==============================
                                           'mtime'  1621696525.04624  (2021-05-22 17:15:25)
                             'size'  6142640