======================== unified (from filesystem) ========================
                                         'bitrate'  '319.725'
                                        'duration'  '113'
                                          'artist'  'Olympics'
                                     'text_people'  ''
                                         'release'  'The Very Best Of The Olympics'
                                           'title'  '(I Wanna) Dance With The Teacher'
                                           'quals'  ("['Q-HAP-3', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-UNU-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-1', 'q-syn-1', 'q-bass-4', 'q-busy-2', 'q-grit-1', 'q-play-2', "
 "'q-chart-1', 'q-drums-2', 'q-other-2', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  ("['rock and roll', 'northern soul', 'rhythm and blues', "
 '"rock\'n\'roll", \'oldies\']')
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '02'
                                      'tracktotal'  '17'
                                            'date'  '1959'
                                        'comments'  ''
                                           'genre'  'prerock-unsorted'
                                             'bpm'  '111.028'
                                             'key'  '8B'
                                        'acoustid'  ''
rest: ''

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

'COMM::eng'                                         '59-410 POS 71'
'COMM:ID3v1 Comment:XXX'                            '59-410 POS 71'
'TALB' (Album/Movie/Show title)                     'The Very Best Of The Olympics'
'TBPM' (BPM (beats per minute))                     '111.028'
'TCON' (Content type, a.k.a. Genre)                 'prerock-unsorted'
'TDRC' (Recording time)                             '1959'
'TENC' (Encoded by)                                 'Exact Audio Copy   (Secure mode)'
'TIT2' (Title/songname/content description)         '(I Wanna) Dance With The Teacher'
'TKEY' (Initial key)                                '8B'
'TPE1' (Lead performer(s)/Soloist(s))               'Olympics'
'TRCK' (Track number/Position in set)               '02/17'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['rock and roll', 'northern soul', 'rhythm and blues', "rock'n'roll", 'oldies']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '2'
'TXXX:q-grit'                                       '1'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+8.43 dB'
'TXXX:replaygain_track_peak'                        '0.148808'

========================== row from database ==========================
                                              'id'  1443333
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/00oldiepop/1959/59-410 - Olympics - (I Wanna) Dance With The Teacher.mp3
                                         'working'  None
                                         'bitrate'  319
                                    'duration_sec'  113
                                           'genre'  prerock-unsorted
                                        'filesize'  4544698
                                           'mtime'  1621698422
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country 00oldiepop 1959 59 410 prerock unsorted
                                      'tag_artist'  Olympics
                                     'tag_release'  The Very Best Of The Olympics
                                       'tag_title'  (I Wanna) Dance With The Teacher
                                             'bpm'  111.028
                                    'search_title'  'dance':5 'i':1,2 'teacher':8 'the':7 'wanna':3,4 'with':6
                                   'search_artist'  'olympics':1
                                  'search_release'  'best':3 'of':4 'olympics':5 'the':1 'very':2
                                     'search_rest'  '00oldiepop':5 '1959':6 '410':8 '59':7 'country':4 'exotica':2 'jazz':1 'oldies':3 'prerock':9 'unsorted':10
                                    'search_combo'  '00oldiepop':19 '1959':20 '410':22 '59':21 'best':12C 'country':18 'dance':5A 'exotica':16 'i':1A,2A 'jazz':15 'of':13C 'oldies':17 'olympics':9B,14C 'prerock':23 'teacher':8A 'the':7A,10C 'unsorted':24 'very':11C 'wanna':3A,4A 'with':6A
                                    'tag_tracknum'  2
                                      'num_images'  0
                                             'key'  8B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-3', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-2', 'Q-OLDST-1', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-2', 'q-drums-2', 'q-syn-1', 'q-chart-1', 'q-other-2', 'Q-HAP-3', 'q-bass-4', 'q-grit-1']
                                      'lastfmtags'  ['rock and roll', 'northern soul', 'rhythm and blues', "rock'n'roll", 'oldies']
                                        'tag_date'  1959
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621698421.6326113  (2021-05-22 17:47:01)
                             'size'  4544698