======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '243'
                                          'artist'  'Pet Shop Boys'
                                     'text_people'  ''
                                         'release'  'Bilingual'
                                           'title'  'Metamorphosis'
                                           '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-4', 'q-other-1', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-3']")
                                      'lastfmtags'  "['80s', 'new wave', 'electronic', 'pop', 'synthpop']"
                                     'discogstags'  "['electronic', 'latin', 'pop', 'house', 'downtempo', 'synth-pop', 'dance-pop']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '3'
                                      'tracktotal'  '12'
                                            'date'  '1996'
                                        'comments'  ''
                                           'genre'  'electronic-we-disco or italo'
                                             'bpm'  '120.2'
                                             'key'  '7A'
                                        'acoustid'  'fffa0d7b-980c-4910-8259-e36d2a0b6409'
rest: ''

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

'APIC:Jewel case front, showing how front frosting graphic works over yellow booklet'  type PictureType.COVER_FRONT (Cover (front)) b'Jewel case front, showing how front frosting graphic works over yellow booklet'
                                     
'POPM:\x01ÿþ3'                                      POPM(email='\x01ÿþ3', rating=204, count=0)
'TALB' (Album/Movie/Show title)                     'Bilingual'
'TBPM' (BPM (beats per minute))                     '120.2'
'TCON' (Content type, a.k.a. Genre)                 'electronic-we-disco or italo'
'TDOR' (Original release time)                      '1996'
'TDRC' (Recording time)                             '1996'
'TIT2' (Title/songname/content description)         'Metamorphosis'
'TKEY' (Initial key)                                '7A'
'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)                              '1/1'
'TPUB' (Publisher)                                  'Parlophone'
'TRCK' (Track number/Position in set)               '3/12'
'TSO2'                                              'Pet Shop Boys'
'TSOP' (Performer sort order)                       'Pet Shop Boys'
'TSRC' (ISRC (international standard recording code))  'GBCEW0100095/GBCEW9600004'
'TXXX:Acoustid Id'                                  'fffa0d7b-980c-4910-8259-e36d2a0b6409'
'TXXX:Artists'                                      'Pet Shop Boys'
'TXXX:BARCODE'                                      '724385310225'
'TXXX:CATALOGNUMBER'                                '7243 8 53102 2 5/CDPCSD170'
'TXXX:FMPS_Rating'                                  '0.8'
'TXXX:MP3GAIN_MINMAX'                               '137,180'
'TXXX:MusicBrainz Album Artist Id'                  'be540c02-7898-4b79-9acc-c8122c7d9e83'
'TXXX:MusicBrainz Album Id'                         'c85f7136-4f7a-4270-bf70-baa3c0454015'
'TXXX:MusicBrainz Album Release Country'            'XE'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        'be540c02-7898-4b79-9acc-c8122c7d9e83'
'TXXX:MusicBrainz Release Group Id'                 '42a051a0-a43e-39b0-9a4b-6277738bca7c'
'TXXX:MusicBrainz Release Track Id'                 '9c1c0bc6-7652-495b-af91-9777ac9ccb3c'
'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:discogstags'                                  ['electronic', 'latin', 'pop', 'house', 'downtempo', 'synth-pop', 'dance-pop']
'TXXX:lastfmtags'                                   ['80s', 'new wave', 'electronic', 'pop', 'synthpop']
'TXXX:originalyear'                                 '1996'
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '4'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '3'
'TXXX:q-other'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '2'
'TXXX:replaygain_track_gain'                        '-0.39 dB'
'TXXX:replaygain_track_peak'                        '0.431343'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'4baf1cab-143d-4544-9e11-ca7e5c34bfef')

========================== row from database ==========================
                                              'id'  1476636
                                            'path'  /data/Music/Bulk/00poprockelectronic-waves-disco/00disco-italo/Pet Shop Boys/Bilingual/MBZ;#Pet Shop Boys;#Bilingual;#03;#Metamorphosis.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  243
                                           'genre'  electronic-we-disco or italo
                                        'filesize'  9802515
                                           'mtime'  1620609911
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic waves disco 00disco italo MBZ;#Pet Boys;#Bilingual;#03;#Metamorphosis electronic we disco italo
                                      'tag_artist'  Pet Shop Boys
                                     'tag_release'  Bilingual
                                       'tag_title'  Metamorphosis
                                             'bpm'  120.2
                                    'search_title'  'metamorphosis':1
                                   'search_artist'  'boys':3 'pet':1 'shop':2
                                  'search_release'  'bilingual':1
                                     'search_rest'  '00disco':4 '00poprockelectronic':1 '03':12,16 'bilingual':11,15 'boys':10,14 'disco':3 'electronic':18 'italo':5 'mbz':6,8 'metamorphosis':13,17 'pet':7,9 'waves':2 'we':19
                                    'search_combo'  '00disco':9 '00poprockelectronic':6 '03':17,21 'bilingual':5C,16,20 'boys':4B,15,19 'disco':8 'electronic':23 'italo':10 'mbz':11,13 'metamorphosis':1A,18,22 'pet':2B,12,14 'shop':3B 'waves':7 'we':24
                                    'tag_tracknum'  3
                                      'num_images'  1
                                             'key'  7A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', '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-4', 'q-other-1', 'Q-HAP-4', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['80s', 'new wave', 'electronic', 'pop', 'synthpop']
                                        'tag_date'  1996
                                     'discogstags'  ['electronic', 'latin', 'pop', 'house', 'downtempo', 'synth-pop', 'dance-pop']

============================== file details ==============================
                                           'mtime'  1620609910.565163  (2021-05-10 03:25:10)
                             'size'  9802515