======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '299'
                                          'artist'  'Pet Shop Boys'
                                     'text_people'  ''
                                         'release'  'PopArt - The Hits'
                                           'title'  "It's A Sin"
                                           'quals'  ("['Q-HAP-4', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', 'Q-JZFKS-1', "
 "'Q-OLDST-3', 'q-syn-3', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-2', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-3']")
                                      'lastfmtags'  "['80s', 'new wave', 'electronic', 'pop', 'synthpop']"
                                     'discogstags'  "['electronic', 'pop', 'house', 'synth-pop']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '11'
                                      'tracktotal'  '17'
                                            'date'  '2003'
                                        'comments'  ''
                                           'genre'  'electronic-we-disco or italo'
                                             'bpm'  '127'
                                             'key'  '5A'
                                        'acoustid'  '1415f74c-6d3e-4c19-a300-192fa1383b19'
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'PopArt - The Hits'
'TBPM' (BPM (beats per minute))                     '127'
'TCON' (Content type, a.k.a. Genre)                 'electronic-we-disco or italo'
'TDOR' (Original release time)                      '2003'
'TDRC' (Recording time)                             '2003-11-19'
'TIT2' (Title/songname/content description)         "It's A Sin"
'TKEY' (Initial key)                                '5A'
'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)                                  'Gala Records/Parlophone'
'TRCK' (Track number/Position in set)               '11/17'
'TSO2'                                              'Pet Shop Boys'
'TSOP' (Performer sort order)                       'Pet Shop Boys'
'TSRC' (ISRC (international standard recording code))  'GBAYE0100057'
'TSST' (Set subtitle)                               'Pop'
'TXXX:Acoustid Id'                                  '1415f74c-6d3e-4c19-a300-192fa1383b19'
'TXXX:Artists'                                      'Pet Shop Boys'
'TXXX:BARCODE'                                      '5099950045624'
'TXXX:CATALOGNUMBER'                                '5099950045624'
'TXXX:MusicBrainz Album Artist Id'                  'be540c02-7898-4b79-9acc-c8122c7d9e83'
'TXXX:MusicBrainz Album Id'                         '02ab4279-3e4d-49e2-8bfa-9bcdb5856f8e'
'TXXX:MusicBrainz Album Release Country'            'RU'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album/compilation'
'TXXX:MusicBrainz Artist Id'                        'be540c02-7898-4b79-9acc-c8122c7d9e83'
'TXXX:MusicBrainz Release Group Id'                 'c08663d5-e591-32d6-8c1e-24174c14dafc'
'TXXX:MusicBrainz Release Track Id'                 '77bec5b2-4036-45a1-b7aa-9309f6498ec7'
'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:discogstags'                                  ['electronic', 'pop', 'house', 'synth-pop']
'TXXX:lastfmtags'                                   ['80s', 'new wave', 'electronic', 'pop', 'synthpop']
'TXXX:originalyear'                                 '2003'
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'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'                        '+0.59 dB'
'TXXX:replaygain_track_peak'                        '0.368231'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'787bb29b-a832-4861-8af0-ff0db92e04f7')

========================== row from database ==========================
                                              'id'  1499398
                                            'path'  /data/Music/Bulk/00poprockelectronic-waves-disco/00disco-italo/Pet Shop Boys/PopArt/PopArt - Pop/11 It_s a Sin.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  299
                                           'genre'  electronic-we-disco or italo
                                        'filesize'  12016504
                                           'mtime'  1620610263
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic waves disco 00disco italo 11 It_s a electronic we disco or italo
                                      'tag_artist'  Pet Shop Boys
                                     'tag_release'  PopArt - The Hits
                                       'tag_title'  It's A Sin
                                             'bpm'  127.0
                                    'search_title'  'a':4 'it':1 'its':3 's':2 'sin':5
                                   'search_artist'  'boys':3 'pet':1 'shop':2
                                  'search_release'  'art':5 'hits':3 'pop':4 'popart':1 'the':2
                                     'search_rest'  '00disco':4 '00poprockelectronic':1 'a':8 'disco':3 'electronic':9 'it':6 'italo':5 'or':11 's':7 'waves':2 'we':10
                                    'search_combo'  '00disco':17 '00poprockelectronic':14 'a':4A,21 'art':13C 'boys':8B 'disco':16 'electronic':22 'hits':11C 'it':1A,19 'italo':18 'its':3A 'or':24 'pet':6B 'pop':12C 'popart':9C 's':2A,20 'shop':7B 'sin':5A 'the':10C 'waves':15 'we':23
                                    'tag_tracknum'  11
                                      'num_images'  1
                                             'key'  5A
                                           '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-2', 'q-other-3', 'Q-HAP-4', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['80s', 'new wave', 'electronic', 'pop', 'synthpop']
                                        'tag_date'  2003
                                     'discogstags'  ['electronic', 'pop', 'house', 'synth-pop']

============================== file details ==============================
                                           'mtime'  1620610262.804624  (2021-05-10 03:31:02)
                             'size'  12016504