======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '174'
                                          'artist'  'Eartha Kitt'
                                     'text_people'  ''
                                         'release'  'Purr-fect: Greatest Hits'
                                           'title'  'Just an Old Fashioned Girl'
                                           'quals'  ("['Q-HAP-3', 'Q-LOCALNESS-2', 'Q-JZFKS-3', 'Q-UNU-1', 'Q-HHRNBTT-1', "
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 "'q-chart-3', 'q-drums-1', 'q-other-1', 'q-piano-1', 'q-vocals-4', "
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                                      'lastfmtags'  "['lounge', 'jazz', 'female vocalists', 'soul', 'diva']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '1'
                                      'tracktotal'  '22'
                                            'date'  '1999'
                                        'comments'  ''
                                           'genre'  'prerock-jb-jazz-vocal'
                                             'bpm'  '107.492'
                                             'key'  '4B'
                                        'acoustid'  'f1e036cb-8abb-40c4-b8fa-4b86b54371bc'
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))                     '107.492'
'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)         'Just an Old Fashioned Girl'
'TKEY' (Initial key)                                '4B'
'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)               '1/22'
'TSO2'                                              'Kitt, Eartha'
'TSOP' (Performer sort order)                       'Kitt, Eartha'
'TXXX:ASIN'                                         'B00000JCN9'
'TXXX:Acoustid Id'                                  'f1e036cb-8abb-40c4-b8fa-4b86b54371bc'
'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'                 '97ea2691-fe8a-3678-a8ff-b0cc4c02bac7'
'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'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '3'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '1'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+1.91 dB'
'TXXX:replaygain_track_peak'                        '0.477389'
'UFID:http://musicbrainz.org'                       UFID(owner='http://musicbrainz.org', data=b'c263eba4-df17-4fda-a11a-ae3008b6317b')

========================== row from database ==========================
                                              'id'  676000
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/Eartha Kitt/01 Just An Old Fashioned Girl.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  174
                                           'genre'  prerock-jb-jazz-vocal
                                        'filesize'  7077555
                                           'mtime'  1620528505
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country 01 An prerock jb jazz vocal
                                      'tag_artist'  Eartha Kitt
                                     'tag_release'  Purr-fect: Greatest Hits
                                       'tag_title'  Just an Old Fashioned Girl
                                             'bpm'  107.492
                                    'search_title'  'an':2 'fashioned':4 'girl':5 'just':1 'old':3
                                   'search_artist'  'eartha':1 'kitt':2
                                  'search_release'  'fect':2 'greatest':4 'hits':5 'purr':1 'purrfect':3
                                     'search_rest'  'an':5 'country':4 'exotica':2 'jazz':1 'jb':7 'oldies':3 'prerock':6 'vocal':8
                                    'search_combo'  'an':2A,17 'country':16 'eartha':6B 'exotica':14 'fashioned':4A 'fect':9C 'girl':5A 'greatest':11C 'hits':12C 'jazz':13 'jb':19 'just':1A 'kitt':7B 'old':3A 'oldies':15 'prerock':18 'purr':8C 'purrfect':10C 'vocal':20
                                    'tag_tracknum'  1
                                      'num_images'  1
                                             'key'  4B
                                           '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-1', 'Q-HAP-3', 'q-bass-4', 'q-grit-2']
                                      'lastfmtags'  ['lounge', 'jazz', 'female vocalists', 'soul', 'diva']
                                        'tag_date'  1999
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620528504.7312598  (2021-05-09 04:48:24)
                             'size'  7077555