======================== unified (from filesystem) ========================
                                         'bitrate'  '262.911'
                                        'duration'  '72'
                                          'artist'  'Tiga'
                                     'text_people'  ''
                                         'release'  'Sexor'
                                           'title'  "Who's That"
                                           'quals'  ("['Q-HAP-3', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', 'Q-JZFKS-1', 'Q-OLDST-3', "
 "'Q-UNU-1', 'q-syn-3', 'q-bass-1', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-3', 'q-drums-4', 'q-other-1', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-3']")
                                      'lastfmtags'  "['dance', 'house', 'electroclash', 'electro', 'electronic']"
                                     'discogstags'  "['electronic', 'electro', 'synth-pop']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '7'
                                      'tracktotal'  '13'
                                            'date'  '2005'
                                        'comments'  ''
                                           'genre'  'electronic-generic or radio-dance'
                                             'bpm'  '115'
                                             'key'  '4B'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'Sexor'
'TBPM' (BPM (beats per minute))                     '115'
'TCON' (Content type, a.k.a. Genre)                 'electronic-generic or radio-dance'
'TDOR' (Original release time)                      '2005'
'TDRC' (Recording time)                             '2005'
'TENC' (Encoded by)                                 'Melvin18'
'TIT2' (Title/songname/content description)         "Who's That"
'TKEY' (Initial key)                                '4B'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'Tiga'
'TPE2' (Band/orchestra/accompaniment)               'Tiga'
'TPOS' (Part of a set)                              '1/1'
'TRCK' (Track number/Position in set)               '7/13'
'TSO2'                                              'Tiga'
'TSOP' (Performer sort order)                       'Tiga'
'TSRC' (ISRC (international standard recording code))  'BEP010500052'
'TXXX:ASIN'                                         'B000E113TM'
'TXXX:Artists'                                      'Tiga'
'TXXX:MusicBrainz Album Artist Id'                  '58e5332d-383e-414c-9917-776d7b1493a2'
'TXXX:MusicBrainz Album Id'                         '989d9141-1c12-486c-8d89-4ee9d55bbef9'
'TXXX:MusicBrainz Album Release Country'            'BE'
'TXXX:MusicBrainz Album Status'                     'promotion'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        '58e5332d-383e-414c-9917-776d7b1493a2'
'TXXX:MusicBrainz Release Group Id'                 '0d128a7c-cd9e-340c-aea6-babd5c1dd7b6'
'TXXX:MusicBrainz Release Track Id'                 '7d4d3226-50dc-35f7-8017-fbf550fee8b3'
'TXXX:Q-HAP'                                        '3'
'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', 'electro', 'synth-pop']
'TXXX:lastfmtags'                                   ['dance', 'house', 'electroclash', 'electro', 'electronic']
'TXXX:originalyear'                                 '2005'
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'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'                        '-0.30 dB'
'TXXX:replaygain_track_peak'                        '0.334550'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'2af0bd78-4de3-481e-93a6-10f51c31b9c5')

========================== row from database ==========================
                                              'id'  1511121
                                            'path'  /data/Music/Bulk/00poprockelectronic/Tiga/Sexor/07 - Who_s That.mp3
                                         'working'  None
                                         'bitrate'  263
                                    'duration_sec'  72
                                           'genre'  electronic-generic or radio-dance
                                        'filesize'  2435054
                                           'mtime'  1621696672
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic 07 Who_s electronic generic radio dance
                                      'tag_artist'  Tiga
                                     'tag_release'  Sexor
                                       'tag_title'  Who's That
                                             'bpm'  115.0
                                    'search_title'  's':2 'that':4 'who':1 'whos':3
                                   'search_artist'  'tiga':1
                                  'search_release'  'sexor':1
                                     'search_rest'  '00poprockelectronic':1 'dance':7 'electronic':4 'generic':5 'radio':6 's':3 'who':2
                                    'search_combo'  '00poprockelectronic':7 'dance':13 'electronic':10 'generic':11 'radio':12 's':2A,9 'sexor':6C 'that':4A 'tiga':5B 'who':1A,8 'whos':3A
                                    'tag_tracknum'  7
                                      'num_images'  1
                                             'key'  4B
                                           '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-3', 'q-other-1', 'Q-HAP-3', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['dance', 'house', 'electroclash', 'electro', 'electronic']
                                        'tag_date'  2005
                                     'discogstags'  ['electronic', 'electro', 'synth-pop']

============================== file details ==============================
                                           'mtime'  1621696671.780653  (2021-05-22 17:17:51)
                             'size'  2435054