======================== unified (from filesystem) ========================
                                         'bitrate'  '129.391'
                                        'duration'  '159'
                                          'artist'  'Hal Kemp And His Orchestra'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  'Good Night, Lovely Little Lady'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-JZFKS-2', 'Q-HHRNBTT-1', "
 "'Q-OLDST-1', 'q-syn-1', 'q-bass-3', 'q-busy-2', 'q-grit-1', 'q-play-2', "
 "'q-chart-2', 'q-drums-1', 'q-other-3', 'q-piano-1', 'q-vocals-4', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['jazz', '1920s', 'big-band', '1930s', 'big band']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '128'
                                      'tracktotal'  ''
                                            'date'  '1934'
                                        'comments'  ''
                                           'genre'  'prerock-swing'
                                             'bpm'  '130.566'
                                             'key'  '1A'
                                        'acoustid'  ''
rest: ''

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

'TBPM' (BPM (beats per minute))                     '130.566'
'TCON' (Content type, a.k.a. Genre)                 'prerock-swing'
'TDRC' (Recording time)                             '1934'
'TENC' (Encoded by)                                 'Soundjam V2.5.1'
'TIT2' (Title/songname/content description)         'Good Night, Lovely Little Lady'
'TKEY' (Initial key)                                '1A'
'TPE1' (Lead performer(s)/Soloist(s))               'Hal Kemp And His Orchestra'
'TPE2' (Band/orchestra/accompaniment)               'Hal Kemp And His Orchestra'
'TRCK' (Track number/Position in set)               '128'
'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'                                   ['jazz', '1920s', 'big-band', '1930s', 'big band']
'TXXX:q-bass'                                       '3'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '1'
'TXXX:q-grit'                                       '1'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '2'
'TXXX:q-syn'                                        '1'
'TXXX:q-vocals'                                     '4'
'TXXX:replaygain_track_gain'                        '+7.60 dB'
'TXXX:replaygain_track_peak'                        '0.280906'

========================== row from database ==========================
                                              'id'  676899
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/00oldiepop/1934/136 hal kemp & orchestra - good night lovely little lady.mp3
                                         'working'  None
                                         'bitrate'  129
                                    'duration_sec'  159
                                           'genre'  prerock-swing
                                        'filesize'  2587291
                                           'mtime'  1620560342
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country 00oldiepop 1934 136 hal kemp & orchestra good night lovely little lady prerock swing
                                      'tag_artist'  Hal Kemp And His Orchestra
                                     'tag_release'  None
                                       'tag_title'  Good Night, Lovely Little Lady
                                             'bpm'  130.566
                                    'search_title'  'good':1 'lady':6 'little':5 'lovely':4 'night':2,3
                                   'search_artist'  'and':3 'hal':1 'his':4 'kemp':2 'orchestra':5
                                  'search_release'  
                                     'search_rest'  '00oldiepop':5 '136':7 '1934':6 'country':4 'exotica':2 'good':11 'hal':8 'jazz':1 'kemp':9 'lady':15 'little':14 'lovely':13 'night':12 'oldies':3 'orchestra':10 'prerock':16 'swing':17
                                    'search_combo'  '00oldiepop':16 '136':18 '1934':17 'and':9B 'country':15 'exotica':13 'good':1A,22 'hal':7B,19 'his':10B 'jazz':12 'kemp':8B,20 'lady':6A,26 'little':5A,25 'lovely':4A,24 'night':2A,3A,23 'oldies':14 'orchestra':11B,21 'prerock':27 'swing':28
                                    'tag_tracknum'  128
                                      'num_images'  0
                                             'key'  1A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-4', '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-3', 'Q-HAP-3', 'q-bass-3', 'q-grit-1']
                                      'lastfmtags'  ['jazz', '1920s', 'big-band', '1930s', 'big band']
                                        'tag_date'  1934
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620560341.8098576  (2021-05-09 13:39:01)
                             'size'  2587291