======================== unified (from filesystem) ========================
                                         'bitrate'  '192.0'
                                        'duration'  '171'
                                          'artist'  'Chet Bolins'
                                     'text_people'  ''
                                         'release'  'All American Masher'
                                           'title'  'Dance the Night Away'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-3', 'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-2', 'q-drums-3', 'q-other-2', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                                     'discogstags'  "['rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '10'
                                      'tracktotal'  '10'
                                            'date'  '1981'
                                        'comments'  ''
                                           'genre'  'electronic-unsorted'
                                             'bpm'  '104.0'
                                             'key'  '6A'
                                        'acoustid'  ''
rest: ''

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

'APIC:'                                             type PictureType.COVER_FRONT (Cover (front)) b''
                                     
'COMM::eng'                                         'blog.wfmu.org'
'COMM:iTunNORM:eng'                                 (' 00002D3D 00002E6B 00012934 00013590 00004DA7 00004D3E 000090CE 000093C3 '
 '000108CB 0001ECDB')
'COMM:iTunPGAP:eng'                                 '0'
'COMM:iTunSMPB:eng'                                 (' 00000000 00000210 000007D4 000000000073191C 00000000 003E953A 00000000 '
 '00000000 00000000 00000000 00000000 00000000')
'TALB' (Album/Movie/Show title)                     'All American Masher'
'TBPM' (BPM (beats per minute))                     '104.0'
'TCON' (Content type, a.k.a. Genre)                 'electronic-unsorted'
'TDRC' (Recording time)                             '1981'
'TENC' (Encoded by)                                 'iTunes v7.4.1'
'TIT2' (Title/songname/content description)         'Dance the Night Away'
'TKEY' (Initial key)                                '6A'
'TPE1' (Lead performer(s)/Soloist(s))               'Chet Bolins'
'TRCK' (Track number/Position in set)               '10/10'
'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:discogstags'                                  'rock'
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '3'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+1.27 dB'
'TXXX:replaygain_track_peak'                        '0.301844'

========================== row from database ==========================
                                              'id'  660073
                                            'path'  /data/Music/Bulk/00exnnpjpsprgttidm/10/284_10_Chet_Bolins_-_Dance_the_Night_Away.mp3
                                         'working'  None
                                         'bitrate'  192
                                    'duration_sec'  171
                                           'genre'  electronic-unsorted
                                        'filesize'  4697733
                                           'mtime'  1674607039
                                   'redo_metaread'  0
                                        'rest_str'   00exnnpjpsprgttidm 10 284_10_Chet_Bolins_ _Dance_the_Night_Away electronic unsorted
                                      'tag_artist'  Chet Bolins
                                     'tag_release'  All American Masher
                                       'tag_title'  Dance the Night Away
                                             'bpm'  104.0
                                    'search_title'  'away':4 'dance':1 'night':3 'the':2
                                   'search_artist'  'bolins':2 'chet':1
                                  'search_release'  'all':1 'american':2 'masher':3
                                     'search_rest'  '10':2 '284':1 'away':8 'bolins':4 'chet':3 'dance':5 'electronic':9 'night':7 'the':6 'unsorted':10
                                    'search_combo'  '10':11 '284':10 'all':7C 'american':8C 'away':4A,17 'bolins':6B,13 'chet':5B,12 'dance':1A,14 'electronic':18 'masher':9C 'night':3A,16 'the':2A,15 'unsorted':19
                                    'tag_tracknum'  10
                                      'num_images'  1
                                             'key'  6A
                                           'quals'  ['Q-HAP-3', 'Q-JZFKS-1', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', 'Q-OLDST-3', 'q-syn-2', 'q-bass-3', 'q-busy-3', 'q-grit-2', 'q-play-3', 'q-chart-2', 'q-drums-3', 'q-other-2', 'q-piano-1', 'q-vocals-4', 'q-mixbeat-1']
                                      'lastfmtags'  []
                                        'tag_date'  1981
                                     'discogstags'  ['rock']

============================== file details ==============================
                                           'mtime'  1674607039.0583618  (2023-01-25 01:37:19)
                             'size'  4697733