======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '180'
                                          'artist'  'Lou Preager'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  "It's Love Love Love (vocal - Edna Kaye)"
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-1', 'Q-LOCALNESS-1', 'Q-JZFKS-2', 'Q-HHRNBTT-1', "
 "'Q-OLDST-1', 'q-syn-1', 'q-bass-1', 'q-busy-2', 'q-grit-1', 'q-play-2', "
 "'q-chart-1', 'q-drums-1', 'q-other-4', 'q-piano-1', 'q-vocals-3', "
 "'q-mixbeat-1']")
                                     'discogstags'  "['jazz']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1944'
                                        'comments'  ''
                                           'genre'  'prerock-swing'
                                             'bpm'  '90.695'
                                             'key'  '6A'
                                        'acoustid'  ''
rest: ''

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

'TBPM' (BPM (beats per minute))                     '90.695'
'TCON' (Content type, a.k.a. Genre)                 'prerock-swing'
'TDRC' (Recording time)                             '1944'
'TIT2' (Title/songname/content description)         "It's Love Love Love (vocal - Edna Kaye)"
'TKEY' (Initial key)                                '6A'
'TPE1' (Lead performer(s)/Soloist(s))               'Lou Preager'
'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:discogstags'                                  'jazz'
'TXXX:q-bass'                                       '1'
'TXXX:q-busy'                                       '2'
'TXXX:q-chart'                                      '1'
'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'                        '+1.90 dB'
'TXXX:replaygain_track_peak'                        '0.469496'

========================== row from database ==========================
                                              'id'  1501823
                                            'path'  /data/Music/Bulk/00blues-jazz-exotica-oldies-country/00oldiepop/1944/Lou Preager - It_s Love Love Love (vocal - Edna Kaye) 26-7-1944.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  180
                                           'genre'  prerock-swing
                                        'filesize'  3623134
                                           'mtime'  1620561931
                                   'redo_metaread'  0
                                        'rest_str'   00blues jazz exotica oldies country 00oldiepop 1944 It_s 26 7 1944 prerock swing
                                      'tag_artist'  Lou Preager
                                     'tag_release'  None
                                       'tag_title'  It's Love Love Love (vocal - Edna Kaye)
                                             'bpm'  90.695
                                    'search_title'  'edna':7 'it':1 'its':3 'kaye':8,9 'love':4 's':2 'vocal':5,6
                                   'search_artist'  'lou':1 'preager':2
                                  'search_release'  
                                     'search_rest'  '00oldiepop':5 '1944':6 '26':9 '7':10 'country':4 'exotica':2 'it':7 'jazz':1 'oldies':3 'prerock':11 's':8 'swing':12
                                    'search_combo'  '00oldiepop':16 '1944':17 '26':20 '7':21 'country':15 'edna':7A 'exotica':13 'it':1A,18 'its':3A 'jazz':12 'kaye':8A,9A 'lou':10B 'love':4A 'oldies':14 'preager':11B 'prerock':22 's':2A,19 'swing':23 'vocal':5A,6A
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  6A
                                           '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-1', 'q-other-4', 'Q-HAP-3', 'q-bass-1', 'q-grit-1']
                                      'lastfmtags'  []
                                        'tag_date'  1944
                                     'discogstags'  ['jazz']

============================== file details ==============================
                                           'mtime'  1620561931.31899  (2021-05-09 14:05:31)
                             'size'  3623134