======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '246'
                                          'artist'  'Pet Shop Boys'
                                     'text_people'  ''
                                         'release'  'Behaviour / Further Listening 1990-1991'
                                           'title'  'Nervously'
                                           'quals'  ("['Q-HAP-4', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', 'Q-JZFKS-1', "
 "'Q-OLDST-3', 'q-syn-3', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-4', 'q-drums-1', 'q-other-3', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-3']")
                                      'lastfmtags'  "['80s', 'new wave', 'electronic', 'pop', 'synthpop']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '8'
                                      'tracktotal'  '10'
                                            'date'  '2001'
                                        'comments'  ''
                                           'genre'  'electronic-we-disco or italo'
                                             'bpm'  '124.7'
                                             'key'  '8B'
                                        'acoustid'  '504278ca-ba47-4388-815f-1a7b56f63198'
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'POPM:\x01ÿþ3'                                      POPM(email='\x01ÿþ3', rating=153, count=0)
'TALB' (Album/Movie/Show title)                     'Behaviour / Further Listening 1990-1991'
'TBPM' (BPM (beats per minute))                     '124.7'
'TCON' (Content type, a.k.a. Genre)                 'electronic-we-disco or italo'
'TDOR' (Original release time)                      '1990'
'TDRC' (Recording time)                             '2001-06-04'
'TIT2' (Title/songname/content description)         'Nervously'
'TKEY' (Initial key)                                '8B'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'Pet Shop Boys'
'TPE2' (Band/orchestra/accompaniment)               'Pet Shop Boys'
'TPOS' (Part of a set)                              '1/2'
'TPUB' (Publisher)                                  'Parlophone'
'TRCK' (Track number/Position in set)               '8/10'
'TSO2'                                              'Pet Shop Boys'
'TSOP' (Performer sort order)                       'Pet Shop Boys'
'TSRC' (ISRC (international standard recording code))  'GBCEW0100009/GBCEW9000035'
'TSST' (Set subtitle)                               'Behaviour'
'TXXX:ASIN'                                         'B00005J9M3'
'TXXX:Acoustid Id'                                  '504278ca-ba47-4388-815f-1a7b56f63198'
'TXXX:Artists'                                      'Pet Shop Boys'
'TXXX:BARCODE'                                      '724353051327'
'TXXX:CATALOGNUMBER'                                '7243 530523 2 7'
'TXXX:FMPS_Rating'                                  '0.6'
'TXXX:MP3GAIN_MINMAX'                               '131,180'
'TXXX:MusicBrainz Album Artist Id'                  'be540c02-7898-4b79-9acc-c8122c7d9e83'
'TXXX:MusicBrainz Album Id'                         'd7762dcc-90cc-4c03-9008-624457c40010'
'TXXX:MusicBrainz Album Release Country'            'GB'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        'be540c02-7898-4b79-9acc-c8122c7d9e83'
'TXXX:MusicBrainz Release Group Id'                 '751d3b2b-9b6d-3182-8ab5-9b231ab9a7fc'
'TXXX:MusicBrainz Release Track Id'                 '09feea4a-76ed-3139-a70b-1054ec97eb37'
'TXXX:Q-HAP'                                        '4'
'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', 'electronic', 'pop', 'synthpop']
'TXXX:originalyear'                                 '1990'
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '4'
'TXXX:q-drums'                                      '1'
'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'                        '+0.38 dB'
'TXXX:replaygain_track_peak'                        '0.976103'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'c2bc82ed-1366-4c7d-94dc-b4e56bb70bfd')

========================== row from database ==========================
                                              'id'  1476177
                                            'path'  /data/Music/Bulk/00poprockelectronic-waves-disco/00disco-italo/Pet Shop Boys/Behaviour/MBZ;#Pet Shop Boys;#Behaviour;#08;#Nervously.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  246
                                           'genre'  electronic-we-disco or italo
                                        'filesize'  9909074
                                           'mtime'  1620609893
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic waves disco 00disco italo MBZ;#Pet Boys;#Behaviour;#08;#Nervously electronic we disco or italo
                                      'tag_artist'  Pet Shop Boys
                                     'tag_release'  Behaviour / Further Listening 1990-1991
                                       'tag_title'  Nervously
                                             'bpm'  124.7
                                    'search_title'  'nervously':1
                                   'search_artist'  'boys':3 'pet':1 'shop':2
                                  'search_release'  '1990':4 '19901991':6 '1991':5 'behaviour':1 'further':2 'listening':3
                                     'search_rest'  '00disco':4 '00poprockelectronic':1 '08':12,16 'behaviour':11,15 'boys':10,14 'disco':3 'electronic':18 'italo':5 'mbz':6,8 'nervously':13,17 'or':20 'pet':7,9 'waves':2 'we':19
                                    'search_combo'  '00disco':14 '00poprockelectronic':11 '08':22,26 '1990':8C '19901991':10C '1991':9C 'behaviour':5C,21,25 'boys':4B,20,24 'disco':13 'electronic':28 'further':6C 'italo':15 'listening':7C 'mbz':16,18 'nervously':1A,23,27 'or':30 'pet':2B,17,19 'shop':3B 'waves':12 'we':29
                                    'tag_tracknum'  8
                                      'num_images'  1
                                             'key'  8B
                                           '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-1', 'q-syn-3', 'q-chart-4', 'q-other-3', 'Q-HAP-4', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['80s', 'new wave', 'electronic', 'pop', 'synthpop']
                                        'tag_date'  2001
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620609892.7646635  (2021-05-10 03:24:52)
                             'size'  9909074