======================== unified (from filesystem) ========================
                                         'bitrate'  '218.238'
                                        'duration'  '398'
                                          'artist'  'TM404'
                                     'text_people'  ''
                                         'release'  'TM404'
                                           'title'  '202/202/303/303/606'
                                           'quals'  ("['Q-MIXBEAT-3', 'Q-HAP-2', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'Q-JZFKS-1', 'Q-OLDST-3', 'q-syn-4', 'q-bass-4', 'q-busy-3', 'q-grit-2', "
 "'q-play-3', 'q-chart-2', 'q-drums-4', 'q-other-1', 'q-piano-1', "
 "'q-vocals-1']")
                                      'lastfmtags'  "['acid', 'dub techno', 'dub', 'techno', 'electronic']"
                                     'discogstags'  "['techno', 'electronic']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '6'
                                      'tracktotal'  '8'
                                            'date'  '2013'
                                        'comments'  ''
                                           'genre'  'electronic-th-techno-minimal or deephouse'
                                             'bpm'  '86.3'
                                             'key'  '8A'
                                        'acoustid'  '83ab682d-5961-4ad4-9d15-f6156dd55d0e'
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'TM404'
'TBPM' (BPM (beats per minute))                     '86.3'
'TCON' (Content type, a.k.a. Genre)                 'electronic-th-techno-minimal or deephouse'
'TDOR' (Original release time)                      '2013'
'TDRC' (Recording time)                             '2013-01-30'
'TIT2' (Title/songname/content description)         '202/202/303/303/606'
'TKEY' (Initial key)                                '8A'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'TM404'
'TPE2' (Band/orchestra/accompaniment)               'TM404'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Kontra-Musik'
'TRCK' (Track number/Position in set)               '6/8'
'TSO2'                                              'TM404'
'TSOP' (Performer sort order)                       'TM404'
'TXXX:Acoustid Id'                                  '83ab682d-5961-4ad4-9d15-f6156dd55d0e'
'TXXX:BARCODE'                                      '7320470159828'
'TXXX:CATALOGNUMBER'                                'KMCD04'
'TXXX:MusicBrainz Album Artist Id'                  'ff6f08e3-bc46-455d-97c2-b89744f1d9f9'
'TXXX:MusicBrainz Album Id'                         '7c19c1e9-624c-44d4-af42-5cbfb80335af'
'TXXX:MusicBrainz Album Release Country'            'SE'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        'ff6f08e3-bc46-455d-97c2-b89744f1d9f9'
'TXXX:Q-HAP'                                        '2'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-MIXBEAT'                                    '3'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:SCRIPT'                                       'Zmth'
'TXXX:discogstags'                                  ['techno', 'electronic']
'TXXX:lastfmtags'                                   ['acid', 'dub techno', 'dub', 'techno', 'electronic']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-other'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '4'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '-0.61 dB'
'TXXX:replaygain_track_peak'                        '0.415550'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'a3625f00-6813-49ce-bea7-b34a3dc82559')

========================== row from database ==========================
                                              'id'  1389366
                                            'path'  /data/Music/Bulk/00poprockelectronic/00techno-house-harder-beats/TM404/06 202_202_303_303_606.mp3
                                         'working'  None
                                         'bitrate'  218
                                    'duration_sec'  398
                                           'genre'  electronic-th-techno-minimal or deephouse
                                        'filesize'  10892163
                                           'mtime'  1621085187
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 00techno house harder beats 202_202_303_303_606 electronic th techno minimal or deephouse
                                      'tag_artist'  TM404
                                     'tag_release'  TM404
                                       'tag_title'  202/202/303/303/606
                                             'bpm'  86.3
                                    'search_title'  '202':1,2 '202202303303606':6 '303':3,4 '606':5
                                   'search_artist'  'tm404':1
                                  'search_release'  'tm404':1
                                     'search_rest'  '00poprockelectronic':1 '00techno':2 '202':6,7 '303':8,9 '606':10 'beats':5 'deephouse':16 'electronic':11 'harder':4 'house':3 'minimal':14 'or':15 'techno':13 'th':12
                                    'search_combo'  '00poprockelectronic':9 '00techno':10 '202':1A,2A,14,15 '202202303303606':6A '303':3A,4A,16,17 '606':5A,18 'beats':13 'deephouse':24 'electronic':19 'harder':12 'house':11 'minimal':22 'or':23 'techno':21 'th':20 'tm404':7B,8C
                                    'tag_tracknum'  6
                                      'num_images'  1
                                             'key'  8A
                                           '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-4', 'q-chart-2', 'q-other-1', 'Q-HAP-2', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['acid', 'dub techno', 'dub', 'techno', 'electronic']
                                        'tag_date'  2013
                                     'discogstags'  ['techno', 'electronic']

============================== file details ==============================
                                           'mtime'  1621085187.1965055  (2021-05-15 15:26:27)
                             'size'  10892163