======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '368'
                                          'artist'  'Massive Attack'
                                     'text_people'  ''
                                         'release'  'Singles 90/98'
                                           'title'  'Back / shecomes'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-3', 'q-syn-3', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-3', 'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-3']")
                                      'lastfmtags'  "['electronica', 'electronic', 'downtempo', 'trip hop', 'chillout']"
                                     'discogstags'  "['electronic', 'trip hop', 'downtempo']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '6'
                                      'tracktotal'  '7'
                                            'date'  '1998'
                                        'comments'  ''
                                           'genre'  'electronic-trip hop or downtempo or acid jazz'
                                             'bpm'  '111.9'
                                             'key'  '6B'
                                        'acoustid'  'f41473f0-a083-445a-a157-8f735f856bef'
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'Singles 90/98'
'TBPM' (BPM (beats per minute))                     '111.9'
'TCON' (Content type, a.k.a. Genre)                 'electronic-trip hop or downtempo or acid jazz'
'TDOR' (Original release time)                      '1998'
'TDRC' (Recording time)                             '1998-12-07'
'TENC' (Encoded by)                                 'Beto'
'TIT2' (Title/songname/content description)         'Back / shecomes'
'TKEY' (Initial key)                                '6B'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'Massive Attack'
'TPE2' (Band/orchestra/accompaniment)               'Massive Attack'
'TPOS' (Part of a set)                              '11/11'
'TPUB' (Publisher)                                  'Circa Records'
'TRCK' (Track number/Position in set)               '6/7'
'TSO2'                                              'Massive Attack'
'TSOP' (Performer sort order)                       'Massive Attack'
'TSRC' (ISRC (international standard recording code))  'GBAAA9820630'
'TSST' (Set subtitle)                               'Inertia Creeps'
'TXXX:ASIN'                                         'B00000G4ZO'
'TXXX:Acoustid Id'                                  'f41473f0-a083-445a-a157-8f735f856bef'
'TXXX:Artists'                                      'Massive Attack'
'TXXX:BARCODE'                                      '724389544329'
'TXXX:CATALOGNUMBER'                                'MASBOX 1'
'TXXX:MusicBrainz Album Artist Id'                  '10adbe5e-a2c0-4bf3-8249-2b4cbf6e6ca8'
'TXXX:MusicBrainz Album Id'                         '7b7b2fc8-5378-4ff6-8969-1765daf3bcd3'
'TXXX:MusicBrainz Album Release Country'            'GB'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album/compilation'
'TXXX:MusicBrainz Artist Id'                        '10adbe5e-a2c0-4bf3-8249-2b4cbf6e6ca8'
'TXXX:MusicBrainz Release Group Id'                 '4fb8e533-e656-3775-b791-b471badf0222'
'TXXX:MusicBrainz Release Track Id'                 'e2378661-92ac-316c-99c5-942fd77386bf'
'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', 'trip hop', 'downtempo']
'TXXX:lastfmtags'                                   ['electronica', 'electronic', 'downtempo', 'trip hop', 'chillout']
'TXXX:originalyear'                                 '1998'
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'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'                        '-0.28 dB'
'TXXX:replaygain_track_peak'                        '0.583358'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'031336e9-fe7d-42be-85a3-7db01d122ca0')
'WXXX:'                                             WXXX(encoding=<Encoding.LATIN1: 0>, desc='', url='http://www.massiveattack.co.uk/')

========================== row from database ==========================
                                              'id'  1456259
                                            'path'  /data/Music/Bulk/00poprockelectronic/00trip/Massive Attack/Singles 90 98 (Box Set)/62 - Massive Attack - Backshecomes.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  368
                                           'genre'  electronic-trip hop or downtempo or acid jazz
                                        'filesize'  8894250
                                           'mtime'  1636910764
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 00trip (Box Set) 62 Backshecomes electronic trip hop or downtempo or acid jazz
                                      'tag_artist'  Massive Attack
                                     'tag_release'  Singles 90/98
                                       'tag_title'  Back / shecomes
                                             'bpm'  111.9
                                    'search_title'  'back':1 'shecomes':2
                                   'search_artist'  'attack':2 'massive':1
                                  'search_release'  '90':2 '9098':4 '98':3 'singles':1
                                     'search_rest'  '00poprockelectronic':1 '00trip':2 '62':7 'acid':14 'backshecomes':8 'box':3,4 'downtempo':13 'electronic':9 'hop':11 'jazz':15 'or':12 'set':5,6 'trip':10
                                    'search_combo'  '00poprockelectronic':9 '00trip':10 '62':15 '90':6C '9098':8C '98':7C 'acid':22 'attack':4B 'back':1A 'backshecomes':16 'box':11,12 'downtempo':21 'electronic':17 'hop':19 'jazz':23 'massive':3B 'or':20 'set':13,14 'shecomes':2A 'singles':5C 'trip':18
                                    'tag_tracknum'  6
                                      '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-3', 'q-other-2', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['electronica', 'electronic', 'downtempo', 'trip hop', 'chillout']
                                        'tag_date'  1998
                                     'discogstags'  ['electronic', 'trip hop', 'downtempo']

============================== file details ==============================
                                           'mtime'  1636910764.1618693  (2021-11-14 18:26:04)
                             'size'  8894250