======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '190'
                                          'artist'  'Eartha Kitt'
                                     'text_people'  ''
                                         'release'  'Purr-fect: Greatest Hits'
                                           'title'  "Let's Do It"
                                           'quals'  ("['Q-HAP-3', 'Q-LOCALNESS-2', 'Q-JZFKS-3', 'Q-UNU-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-1', 'q-syn-1', 'q-bass-1', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-3', 'q-drums-1', 'q-other-2', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['lounge', 'jazz', 'female vocalists', 'soul', 'diva']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '5'
                                      'tracktotal'  '22'
                                            'date'  '1999'
                                        'comments'  ''
                                           'genre'  'prerock-jb-jazz-vocal'
                                             'bpm'  '97'
                                             'key'  '5B'
                                        'acoustid'  '859c77f5-d9f6-4b4e-8d2c-cd212343a5d4'
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'Purr-fect: Greatest Hits'
'TBPM' (BPM (beats per minute))                     '97'
'TCON' (Content type, a.k.a. Genre)                 'prerock-jb-jazz-vocal'
'TDOR' (Original release time)                      '1999'
'TDRC' (Recording time)                             '1999'
'TIT2' (Title/songname/content description)         "Let's Do It"
'TKEY' (Initial key)                                '5B'
'TMED' (Media type)                                 'CD'
'TPE1' (Lead performer(s)/Soloist(s))               'Eartha Kitt'
'TPE2' (Band/orchestra/accompaniment)               'Eartha Kitt'
'TPOS' (Part of a set)                              '1/1'
'TPUB' (Publisher)                                  'BMG'
'TRCK' (Track number/Position in set)               '5/22'
'TSO2'                                              'Kitt, Eartha'
'TSOP' (Performer sort order)                       'Kitt, Eartha'
'TXXX:ASIN'                                         'B00000JCN9'
'TXXX:Acoustid Id'                                  '859c77f5-d9f6-4b4e-8d2c-cd212343a5d4'
'TXXX:Artists'                                      'Eartha Kitt'
'TXXX:BARCODE'                                      '667487700122'
'TXXX:CATALOGNUMBER'                                '66748-77001-2'
'TXXX:MusicBrainz Album Artist Id'                  '02b4a39e-04c0-4eb7-a0eb-c919f3d14154'
'TXXX:MusicBrainz Album Id'                         'd0d24dd2-abaa-41cc-ae79-b1d9365d2bfe'
'TXXX:MusicBrainz Album Release Country'            'US'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'album/compilation'
'TXXX:MusicBrainz Artist Id'                        '02b4a39e-04c0-4eb7-a0eb-c919f3d14154'
'TXXX:MusicBrainz Release Group Id'                 '2941d079-aaab-32b2-a42f-186282e1fa37'
'TXXX:MusicBrainz Release Track Id'                 '464a8ea7-9d37-32ab-8b29-110ab333fc7b'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '3'
'TXXX:Q-LOCALNESS'                                  '2'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:SCRIPT'                                       'Latn'
'TXXX:lastfmtags'                                   ['lounge', 'jazz', 'female vocalists', 'soul', 'diva']
'TXXX:originalyear'                                 '1999'
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+2.71 dB'
'TXXX:replaygain_track_peak'                        '0.393075'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'f4ce6665-69f7-40a6-9f27-67e3bd4c78a9')

========================== row from database ==========================
                                              'id'  1514272
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/Eartha Kitt/Eartha Kitt - CD 1/09 Let_s Do It (Let_s Fall In Love).mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  190
                                           'genre'  prerock-jb-jazz-vocal
                                        'filesize'  7714507
                                           'mtime'  1620528528
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country CD 1 09 Let_s (Let_s Fall In Love) prerock jb jazz vocal
                                      'tag_artist'  Eartha Kitt
                                     'tag_release'  Purr-fect: Greatest Hits
                                       'tag_title'  Let's Do It
                                             'bpm'  97.0
                                    'search_title'  'do':4 'it':5 'let':1 'lets':3 's':2
                                   'search_artist'  'eartha':1 'kitt':2
                                  'search_release'  'fect':2 'greatest':4 'hits':5 'purr':1 'purrfect':3
                                     'search_rest'  '1':6 'cd':5 'country':4 'exotica':2 'fall':11 'in':12 'jazz':1 'jb':16 'let':7,9 'love':13,14 'oldies':3 'prerock':15 's':8,10 'vocal':17
                                    'search_combo'  '1':18 'cd':17 'country':16 'do':4A 'eartha':6B 'exotica':14 'fall':23 'fect':9C 'greatest':11C 'hits':12C 'in':24 'it':5A 'jazz':13 'jb':28 'kitt':7B 'let':1A,19,21 'lets':3A 'love':25,26 'oldies':15 'prerock':27 'purr':8C 'purrfect':10C 's':2A,20,22 'vocal':29
                                    'tag_tracknum'  5
                                      'num_images'  1
                                             'key'  5B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', 'Q-LOCALNESS-2', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-1', 'Q-UNU-1', 'Q-JZFKS-3', 'q-busy-3', 'q-drums-1', 'q-syn-1', 'q-chart-3', 'q-other-2', 'Q-HAP-3', 'q-bass-1', 'q-grit-2']
                                      'lastfmtags'  ['lounge', 'jazz', 'female vocalists', 'soul', 'diva']
                                        'tag_date'  1999
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620528528.1298695  (2021-05-09 04:48:48)
                             'size'  7714507