======================== unified (from filesystem) ========================
                                         'bitrate'  '80.0'
                                        'duration'  '175'
                                          'artist'  'Johnny Green & His Orchestra'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  'Two Cigarettes In The Dark'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-JZFKS-2', 'Q-HHRNBTT-1', "
 "'Q-OLDST-1', 'q-syn-1', 'q-bass-2', 'q-busy-2', 'q-grit-1', 'q-play-2', "
 "'q-chart-2', 'q-drums-1', 'q-other-4', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['all', '30s']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1934'
                                        'comments'  ''
                                           'genre'  'prerock-swing'
                                             'bpm'  '127.927'
                                             'key'  '8A'
                                        'acoustid'  ''
rest: ''

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

'COMM::eng'                                         'Debuted 1934 and peaked at #2 on Various Charts. Source: Pop Memories'
'COMM:ID3v1 Comment:XXX'                            'Debuted 1934 and peaked at #2'
'TBPM' (BPM (beats per minute))                     '127.927'
'TCON' (Content type, a.k.a. Genre)                 'prerock-swing'
'TDRC' (Recording time)                             '1934'
'TIT2' (Title/songname/content description)         'Two Cigarettes In The Dark'
'TKEY' (Initial key)                                '8A'
'TPE1' (Lead performer(s)/Soloist(s))               'Johnny Green & His Orchestra'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '2'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '1'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['all', '30s']
'TXXX:q-bass'                                       '2'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '1'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '3'
'TXXX:replaygain_track_gain'                        '+1.86 dB'
'TXXX:replaygain_track_peak'                        '0.419110'

========================== row from database ==========================
                                              'id'  1454890
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/00oldiepop/1934/Two cigarettes in the dark - Johnny Green and his Orchestra (vocal by George Bouler).mp3
                                         'working'  None
                                         'bitrate'  80
                                    'duration_sec'  175
                                           'genre'  prerock-swing
                                        'filesize'  1755084
                                           'mtime'  1620560605
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country 00oldiepop 1934 cigarettes in the dark and his (vocal by George Bouler) prerock swing
                                      'tag_artist'  Johnny Green & His Orchestra
                                     'tag_release'  None
                                       'tag_title'  Two Cigarettes In The Dark
                                             'bpm'  127.927
                                    'search_title'  'cigarettes':2 'dark':5 'in':3 'the':4 'two':1
                                   'search_artist'  'green':2 'his':3 'johnny':1 'orchestra':4
                                  'search_release'  
                                     'search_rest'  '00oldiepop':5 '1934':6 'and':11 'bouler':17,18 'by':15 'cigarettes':7 'country':4 'dark':10 'exotica':2 'george':16 'his':12 'in':8 'jazz':1 'oldies':3 'prerock':19 'swing':20 'the':9 'vocal':13,14
                                    'search_combo'  '00oldiepop':14 '1934':15 'and':20 'bouler':26,27 'by':24 'cigarettes':2A,16 'country':13 'dark':5A,19 'exotica':11 'george':25 'green':7B 'his':8B,21 'in':3A,17 'jazz':10 'johnny':6B 'oldies':12 'orchestra':9B 'prerock':28 'swing':29 'the':4A,18 'two':1A 'vocal':22,23
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  8A
                                           '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-2', 'q-busy-2', 'q-drums-1', 'q-syn-1', 'q-chart-2', 'q-other-4', 'Q-HAP-3', 'q-bass-2', 'q-grit-1']
                                      'lastfmtags'  ['all', '30s']
                                        'tag_date'  1934
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620560605.1816354  (2021-05-09 13:43:25)
                             'size'  1755084