<pre>
======================== unified (from filesystem) ========================
                                         'bitrate'  '256.0'
                                        'duration'  '271'
                                          'artist'  'Pet Shop Boys'
                                     'text_people'  ''
                                         'release'  'Please'
                                           'title'  'Tonight Is Forever'
                                           'quals'  ("['Q-HAP-4', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', 'Q-JZFKS-1', "
 "'Q-OLDST-3', 'q-syn-3', 'q-bass-2', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-4', 'q-drums-3', 'q-other-3', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-3']")
                                      'lastfmtags'  "['80s', 'new wave', 'electronic', 'pop', 'synthpop']"
                                     'discogstags'  "['electronic', 'synth-pop']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '7'
                                      'tracktotal'  '11'
                                            'date'  '1986'
                                        'comments'  ''
                                           'genre'  'electronic-we-disco or italo'
                                             'bpm'  '132'
                                             'key'  '5B'
                                        'acoustid'  'ac5ca1b1-e3ea-45be-8239-1a1eb8c6ef8b'
rest: ''

======================== rawer (from filesystem) ========================<mutagen.mp3.MPEGInfo object at 0x7f954215a610>

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''<br/>                                     <img style="width:150px" src="image?fid=1417509"/>
'TALB' (Album/Movie/Show title)                     'Please'
'TBPM' (BPM (beats per minute))                     '132'
'TCON' (Content type, a.k.a. Genre)                 'electronic-we-disco or italo'
'TDOR' (Original release time)                      '1986'
'TDRC' (Recording time)                             '1986-03-24'
'TIT2' (Title/songname/content description)         'Tonight Is Forever'
'TKEY' (Initial key)                                '5B'
'TMED' (Media type)                                 '12" Vinyl'
'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)                                  'EMI America'
'TRCK' (Track number/Position in set)               '7/11'
'TSO2'                                              'Pet Shop Boys'
'TSOP' (Performer sort order)                       'Pet Shop Boys'
'TSRC' (ISRC (international standard recording code))  'GBAYE0100009'
'TXXX:ASIN'                                         'B007M7JC5S'
'TXXX:Acoustid Id'                                  'ac5ca1b1-e3ea-45be-8239-1a1eb8c6ef8b'
'TXXX:Artists'                                      'Pet Shop Boys'
'TXXX:BARCODE'                                      '077771719318'
'TXXX:CATALOGNUMBER'                                'PW-17193'
'TXXX:MusicBrainz Album Artist Id'                  'be540c02-7898-4b79-9acc-c8122c7d9e83'
'TXXX:MusicBrainz Album Id'                         '6045cfbd-ac4f-4736-b665-4f66faec4892'
'TXXX:MusicBrainz Album Release Country'            'US'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        'be540c02-7898-4b79-9acc-c8122c7d9e83'
'TXXX:MusicBrainz Release Group Id'                 '4bb45b34-c884-3179-a518-2cabdc8e7210'
'TXXX:MusicBrainz Release Track Id'                 '59d6d0fe-b074-3aae-92be-575d3bb5f590'
'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', 'synth-pop']
'TXXX:lastfmtags'                                   ['80s', 'new wave', 'electronic', 'pop', 'synthpop']
'TXXX:originalyear'                                 '1986'
'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'                        '-0.83 dB'
'TXXX:replaygain_track_peak'                        '0.832845'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'b6f82c59-2bca-4a9e-b305-be4abd27824a')

========================== row from database ==========================
                                              'id'  1417509
                                            'path'  /data/Music/Bulk/00poprockelectronic-waves-disco/00disco-italo/Pet Shop Boys/Please/07. Tonight is Forever.mp3
                                         'working'  None
                                         'bitrate'  256
                                    'duration_sec'  271
                                           'genre'  electronic-we-disco or italo
                                        'filesize'  8701866
                                           'mtime'  1620610186
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic waves disco 00disco italo 07. is electronic we disco italo
                                      'tag_artist'  Pet Shop Boys
                                     'tag_release'  Please
                                       'tag_title'  Tonight Is Forever
                                             'bpm'  132.0
                                    'search_title'  'forever':3 'is':2 'tonight':1
                                   'search_artist'  'boys':3 'pet':1 'shop':2
                                  'search_release'  'please':1
                                     'search_rest'  '00disco':4 '00poprockelectronic':1 '07':6,7 'disco':3 'electronic':9 'is':8 'italo':5 'waves':2 'we':10
                                    'search_combo'  '00disco':11 '00poprockelectronic':8 '07':13,14 'boys':6B 'disco':10 'electronic':16 'forever':3A 'is':2A,15 'italo':12 'pet':4B 'please':7C 'shop':5B 'tonight':1A 'waves':9 'we':17
                                    'tag_tracknum'  7
                                      'num_images'  1
                                             'key'  5B
                                           '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-HAP-4', 'q-bass-2', 'q-grit-2']
                                      'lastfmtags'  ['80s', 'new wave', 'electronic', 'pop', 'synthpop']
                                        'tag_date'  1986
                                     'discogstags'  ['electronic', 'synth-pop']

============================== file details ==============================
                                           'mtime'  1620610185.7323654  (2021-05-10 03:29:45)
                             'size'  8701866