======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '244'
                                          'artist'  'Demi Lovato'
                                     'text_people'  ''
                                         'release'  'Confident'
                                           'title'  'Kingdom Come'
                                           'quals'  ("['Q-JZFKS-1', 'Q-OLDST-3', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', 'Q-UNU-1', "
 "'q-syn-2', 'q-bass-4', 'q-busy-3', 'q-grit-2', 'q-play-2', 'q-chart-3', "
 "'q-drums-3', 'q-other-2', 'q-piano-1', 'q-vocals-3', 'q-mixbeat-2']")
                                      'lastfmtags'  "['pop', 'pop rock', 'female vocalists', 'disney', 'guilty pleasure']"
                                     'discogstags'  "['pop']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '6'
                                      'tracktotal'  '15'
                                            'date'  '2015'
                                        'comments'  ''
                                           'genre'  'electronic-generic or radio'
                                             'bpm'  '117.2'
                                             'key'  '4A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'Confident'
'TBPM' (BPM (beats per minute))                     '117.2'
'TCON' (Content type, a.k.a. Genre)                 'electronic-generic or radio'
'TDOR' (Original release time)                      '2015'
'TDRC' (Recording time)                             '2015-10-16'
'TIT2' (Title/songname/content description)         'Kingdom Come'
'TKEY' (Initial key)                                '4A'
'TMED' (Media type)                                 'Digital Media'
'TPE1' (Lead performer(s)/Soloist(s))               'Demi Lovato feat. Iggy Azalea'
'TPE2' (Band/orchestra/accompaniment)               'Demi Lovato'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'Hollywood Records'
'TRCK' (Track number/Position in set)               '6/15'
'TSO2'                                              'Lovato, Demi'
'TSOP' (Performer sort order)                       'Lovato, Demi feat. Azalea, Iggy'
'TSRC' (ISRC (international standard recording code))  'USHR11536754'
'TXXX:Artists'                                      'Demi Lovato/Iggy Azalea'
'TXXX:BARCODE'                                      '00050087335199'
'TXXX:MusicBrainz Album Artist Id'                  'faf4cefb-036c-4c88-b93a-5b03dd0a0e6b'
'TXXX:MusicBrainz Album Id'                         'b1538463-70de-4418-922b-a297fb616e0b'
'TXXX:MusicBrainz Album Release Country'            'DZ'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album'
'TXXX:MusicBrainz Artist Id'                        'faf4cefb-036c-4c88-b93a-5b03dd0a0e6b/3a052c99-8c18-484a-8beb-9873b4fb3106'
'TXXX:MusicBrainz Release Group Id'                 '0df19e51-b297-4721-96b6-43d6874755b9'
'TXXX:MusicBrainz Release Track Id'                 'a205e5fe-2f11-4feb-8263-9fa5ce326af7'
'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'                                  'pop'
'TXXX:lastfmtags'                                   ['pop', 'pop rock', 'female vocalists', 'disney', 'guilty pleasure']
'TXXX:originalyear'                                 '2015'
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '2'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '-1.29 dB'
'TXXX:replaygain_track_peak'                        '0.397334'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'769782ee-85a9-4bc9-a498-cd6f9a9123ee')

========================== row from database ==========================
                                              'id'  722870
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/Confident/06. Kingdom Come.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  244
                                           'genre'  electronic-generic or radio
                                        'filesize'  9824586
                                           'mtime'  1620521650
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm 06. electronic generic or radio
                                      'tag_artist'  Demi Lovato
                                     'tag_release'  Confident
                                       'tag_title'  Kingdom Come
                                             'bpm'  117.2
                                    'search_title'  'come':2 'kingdom':1
                                   'search_artist'  'demi':1 'lovato':2
                                  'search_release'  'confident':1
                                     'search_rest'  '06':1,2 'electronic':3 'generic':4 'or':5 'radio':6
                                    'search_combo'  '06':6,7 'come':2A 'confident':5C 'demi':3B 'electronic':8 'generic':9 'kingdom':1A 'lovato':4B 'or':10 'radio':11
                                    'tag_tracknum'  6
                                      'num_images'  1
                                             'key'  4A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-2', 'q-play-2', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-3', 'q-syn-2', 'q-chart-3', 'q-other-2', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['pop', 'pop rock', 'female vocalists', 'disney', 'guilty pleasure']
                                        'tag_date'  2015
                                     'discogstags'  ['pop']

============================== file details ==============================
                                           'mtime'  1620521649.696281  (2021-05-09 02:54:09)
                             'size'  9824586