======================== unified (from filesystem) ========================
                                         'bitrate'  '320.0'
                                        'duration'  '172'
                                          'artist'  'Martin Denny'
                                     'text_people'  ''
                                         'release'  'LIBERTY 55199'
                                           'title'  'Martinique'
                                           'quals'  ("['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-1', 'q-other-3', 'q-vocals-1', 'q-mixbeat-1', 'Q-PIANO-3']")
                                      'lastfmtags'  "['lounge', 'tiki', 'space age pop', 'exotica', 'easy listening']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1959'
                                        'comments'  ''
                                           'genre'  'prerock-unsorted;set-pl-shirleyspinoza;set-pl-mor'
                                             'bpm'  '106.925'
                                             'key'  '11B'
                                        'acoustid'  ''
rest: ''

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

'COMM::eng'                                         '59-506 POS 88'
'COMM:ID3v1 Comment:XXX'                            '59-506 POS 88'
'TALB' (Album/Movie/Show title)                     'LIBERTY 55199'
'TBPM' (BPM (beats per minute))                     '106.925'
'TCON' (Content type, a.k.a. Genre)                 ['prerock-unsorted', 'set-pl-shirleyspinoza', 'set-pl-mor']
'TDRC' (Recording time)                             '1959'
'TIT2' (Title/songname/content description)         'Martinique'
'TKEY' (Initial key)                                '11B'
'TPE1' (Lead performer(s)/Soloist(s))               'Martin Denny'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-PIANO'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['lounge', 'tiki', 'space age pop', 'exotica', 'easy listening']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '1'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '1'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+1.78 dB'
'TXXX:replaygain_track_peak'                        '0.597986'

========================== row from database ==========================
                                              'id'  1426860
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/00oldiepop/1959/59-506 - Martin Denny - Martinique.mp3
                                         'working'  None
                                         'bitrate'  320
                                    'duration_sec'  172
                                           'genre'  prerock-unsorted;set-pl-shirleyspinoza;set-pl-mor
                                        'filesize'  6910870
                                           'mtime'  1620346024
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country 00oldiepop 1959 59 506 prerock unsorted;set pl shirleyspinoza;set pl mor
                                      'tag_artist'  Martin Denny
                                     'tag_release'  LIBERTY 55199
                                       'tag_title'  Martinique
                                             'bpm'  106.925
                                    'search_title'  'martinique':1
                                   'search_artist'  'denny':2 'martin':1
                                  'search_release'  '55199':2 'liberty':1
                                     'search_rest'  '00oldiepop':5 '1959':6 '506':8 '59':7 'country':4 'exotica':2 'jazz':1 'mor':19 'oldies':3 'pl':14 'prerock':9 'set':11,13,16,18 'shirleyspinoza':15,17 'unsorted':10,12
                                    'search_combo'  '00oldiepop':10 '1959':11 '506':13 '55199':5C '59':12 'country':9 'denny':3B 'exotica':7 'jazz':6 'liberty':4C 'martin':2B 'martinique':1A 'mor':24 'oldies':8 'pl':19 'prerock':14 'set':16,18,21,23 'shirleyspinoza':20,22 'unsorted':15,17
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  11B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-mixbeat-1', 'Q-PIANO-3', 'q-play-2', 'Q-OLDST-1', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-2', 'q-drums-1', 'q-syn-1', 'q-chart-1', 'q-other-3', 'q-bass-4', 'q-grit-1']
                                      'lastfmtags'  ['lounge', 'tiki', 'space age pop', 'exotica', 'easy listening']
                                        'tag_date'  1959
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620346024.1107821  (2021-05-07 02:07:04)
                             'size'  6910870