======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '253'
                                          'artist'  'Tears for Fears'
                                     'text_people'  ''
                                         'release'  'Tears Roll Down: Greatest Hits 82-92'
                                           'title'  'Head Over Heels'
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                                      'lastfmtags'  "['80s', 'new wave', 'synth pop', 'pop', 'rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '5'
                                      'tracktotal'  '12'
                                            'date'  '1992'
                                        'comments'  ''
                                           'genre'  'electronic-we-electropop or synthpop;set-pl-billboard'
                                             'bpm'  '95'
                                             'key'  '4A'
                                        'acoustid'  '4fa9bb34-f9c5-42fa-b3e5-e0979e3946b5'
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'Tears Roll Down: Greatest Hits 82-92'
'TBPM' (BPM (beats per minute))                     '95'
'TCON' (Content type, a.k.a. Genre)                 ['electronic-we-electropop or synthpop', 'set-pl-billboard']
'TDOR' (Original release time)                      '1992'
'TDRC' (Recording time)                             '1992'
'TIT2' (Title/songname/content description)         'Head Over Heels'
'TKEY' (Initial key)                                '4A'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'Tears for Fears'
'TPE2' (Band/orchestra/accompaniment)               'Tears for Fears'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Fontana'
'TRCK' (Track number/Position in set)               '5/12'
'TSO2'                                              'Tears for Fears'
'TSOP' (Performer sort order)                       'Tears for Fears'
'TSRC' (ISRC (international standard recording code))  'GBF088590112'
'TXXX:ASIN'                                         'B000001DU5'
'TXXX:Acoustid Id'                                  '4fa9bb34-f9c5-42fa-b3e5-e0979e3946b5'
'TXXX:Artists'                                      'Tears for Fears'
'TXXX:BARCODE'                                      '731451093920'
'TXXX:CATALOGNUMBER'                                '510939-2'
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'TXXX:MusicBrainz Album Id'                         '5937da39-4c6a-3f3b-9f96-bc54ebbd23ed'
'TXXX:MusicBrainz Album Release Country'            'GB'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album/compilation'
'TXXX:MusicBrainz Artist Id'                        '7c7f9c94-dee8-4903-892b-6cf44652e2de'
'TXXX:MusicBrainz Release Group Id'                 'd65f150a-3b2b-34ca-904c-5bacaddd38a2'
'TXXX:MusicBrainz Release Track Id'                 'efe2ce32-55cd-3c17-8e92-317e2dff3062'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:lastfmtags'                                   ['80s', 'new wave', 'synth pop', 'pop', 'rock']
'TXXX:originalyear'                                 '1992'
'TXXX:q-bass'                                       '2'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '4'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '3'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-0.49 dB'
'TXXX:replaygain_track_peak'                        '0.615658'
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========================== row from database ==========================
                                              'id'  1298592
                                            'path'  /data/Music/Bulk/00poprockelectronic/00electro-electropop-synthpop/Tears For Fears/Tears Roll Down/Tears For Fears - Head Over Heels.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  253
                                           'genre'  electronic-we-electropop or synthpop;set-pl-billboard
                                        'filesize'  4178204
                                           'mtime'  1620384776
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 00electro electropop synthpop For For electronic we electropop synthpop;set pl billboard
                                      'tag_artist'  Tears for Fears
                                     'tag_release'  Tears Roll Down: Greatest Hits 82-92
                                       'tag_title'  Head Over Heels
                                             'bpm'  95.0
                                    'search_title'  'head':1 'heels':3 'over':2
                                   'search_artist'  'fears':3 'for':2 'tears':1
                                  'search_release'  '82':7 '8292':9 '92':8 'down':3,4 'greatest':5 'hits':6 'roll':2 'tears':1
                                     'search_rest'  '00electro':2 '00poprockelectronic':1 'billboard':13 'electronic':6 'electropop':3 'for':5 'pl':12 'set':9,11 'synthpop':4,8,10 'we':7
                                    'search_combo'  '00electro':17 '00poprockelectronic':16 '82':13C '8292':15C '92':14C 'billboard':28 'down':9C,10C 'electronic':21 'electropop':18 'fears':6B 'for':5B,20 'greatest':11C 'head':1A 'heels':3A 'hits':12C 'over':2A 'pl':27 'roll':8C 'set':24,26 'synthpop':19,23,25 'tears':4B,7C 'we':22
                                    'tag_tracknum'  5
                                      'num_images'  1
                                             'key'  4A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', '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-3', 'q-syn-3', 'q-chart-4', 'q-other-3', 'q-bass-2', 'q-grit-2']
                                      'lastfmtags'  ['80s', 'new wave', 'synth pop', 'pop', 'rock']
                                        'tag_date'  1992
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620384776.342891  (2021-05-07 12:52:56)
                             'size'  4178204