======================== unified (from filesystem) ========================
                                         'bitrate'  '170.424'
                                        'duration'  '213'
                                          'artist'  'Lady Gaga'
                                     'text_people'  ''
                                         'release'  'Bravo Hits 66 (disc 1)'
                                           'title'  'LoveGame'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-OLDST-3', 'Q-HHRNBTT-1', "
 "'Q-LOCALNESS-1', 'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-2', "
 "'q-chart-2', 'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-2', "
 "'q-mixbeat-2']")
                                      'lastfmtags'  "['dance', 'female vocalists', 'female vocalist', 'electronic', 'pop']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '4'
                                      'tracktotal'  '21'
                                            'date'  '2009'
                                        'comments'  ''
                                           'genre'  'electronic-unsorted'
                                             'bpm'  '104.931'
                                             'key'  '10A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'TALB' (Album/Movie/Show title)                     'Bravo Hits 66 (disc 1)'
'TBPM' (BPM (beats per minute))                     '104.931'
'TCMP'                                              '1'
'TCON' (Content type, a.k.a. Genre)                 'electronic-unsorted'
'TDRC' (Recording time)                             '2009-07-31'
'TIT2' (Title/songname/content description)         'LoveGame'
'TKEY' (Initial key)                                '10A'
'TPE1' (Lead performer(s)/Soloist(s))               'Lady Gaga'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TPUB' (Publisher)                                  'Polystar'
'TRCK' (Track number/Position in set)               '4/21'
'TSOP' (Performer sort order)                       'Lady Gaga'
'TXXX:ALBUMARTISTSORT'                              'Various Artists'
'TXXX:ASIN'                                         'B002DKRZ12'
'TXXX:BARCODE'                                      '0600753206331'
'TXXX:CATALOGNUMBER'                                '060075320633 (1)'
'TXXX:MusicBrainz Album Artist Id'                  '89ad4ac3-39f7-470e-963a-56509c546377'
'TXXX:MusicBrainz Album Id'                         'c9af932a-7267-4f87-b254-d67f69596d61'
'TXXX:MusicBrainz Album Release Country'            'DE'
'TXXX:MusicBrainz Album Status'                     'official'
'TXXX:MusicBrainz Album Type'                       'compilation'
'TXXX:MusicBrainz Artist Id'                        '650e7db6-b795-4eb5-a702-5ea2fc46c848'
'TXXX:MusicIP PUID'                                 '6cdacee4-fdca-e58a-3e76-2de75fe72fdc'
'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:lastfmtags'                                   ['dance', 'female vocalists', 'female vocalist', 'electronic', 'pop']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'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'                                     '2'
'TXXX:replaygain_track_gain'                        '+8.48 dB'
'TXXX:replaygain_track_peak'                        '0.161420'

========================== row from database ==========================
                                              'id'  1290943
                                            'path'  /data/Music/Bulk/00poprockelectronic/Unsorted/[loose files]/63 Love Game.mp3
                                         'working'  None
                                         'bitrate'  170
                                    'duration_sec'  213
                                           'genre'  electronic-unsorted
                                        'filesize'  4590809
                                           'mtime'  1621696748
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Unsorted [loose files] 63 electronic unsorted
                                      'tag_artist'  Lady Gaga
                                     'tag_release'  Bravo Hits 66 (disc 1)
                                       'tag_title'  LoveGame
                                             'bpm'  104.931
                                    'search_title'  'game':3 'love':2 'lovegame':1
                                   'search_artist'  'gaga':2 'lady':1
                                  'search_release'  '1':6,7 '66':3 'bravo':1 'disc':4,5 'hits':2
                                     'search_rest'  '00poprockelectronic':1 '63':7 'electronic':8 'files':5,6 'loose':3,4 'unsorted':2
                                    'search_combo'  '00poprockelectronic':13 '1':11C,12C '63':19 '66':8C 'bravo':6C 'disc':9C,10C 'electronic':20 'files':17,18 'gaga':5B 'game':3A 'hits':7C 'lady':4B 'loose':15,16 'love':2A 'lovegame':1A 'unsorted':14
                                    'tag_tracknum'  4
                                      'num_images'  1
                                             'key'  10A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-2', '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-4', 'q-syn-2', 'q-chart-2', 'q-other-2', 'Q-HAP-3', 'q-bass-3', 'q-grit-2']
                                      'lastfmtags'  ['dance', 'female vocalists', 'female vocalist', 'electronic', 'pop']
                                        'tag_date'  2009
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621696747.5880542  (2021-05-22 17:19:07)
                             'size'  4590809