======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '254'
                                          'artist'  'Kool And The Gang'
                                     'text_people'  ''
                                         'release'  ''
                                           'title'  'Summer Maddness'
                                           'quals'  ("['Q-HAP-4', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', 'Q-UNU-1', "
 "'Q-OLDST-3', 'q-syn-3', 'q-bass-4', 'q-busy-3', 'q-grit-1', 'q-play-3', "
 "'q-chart-2', 'q-drums-4', 'q-other-3', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-3']")
                                      'lastfmtags'  "['funk', 'soul', 'disco', '70s', '80s']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  ''
                                      'tracktotal'  ''
                                            'date'  '1980'
                                        'comments'  ''
                                           'genre'  'electronic-we-disco or italo'
                                             'bpm'  '117.3'
                                             'key'  '11A'
                                        'acoustid'  ''
rest: ''

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

'COMM::XXX'                                         '29-06-2001'
'TBPM' (BPM (beats per minute))                     '117.3'
'TCON' (Content type, a.k.a. Genre)                 'electronic-we-disco or italo'
'TDRC' (Recording time)                             '1980'
'TIT2' (Title/songname/content description)         'Summer Maddness'
'TKEY' (Initial key)                                '11A'
'TPE1' (Lead performer(s)/Soloist(s))               'Kool And The Gang'
'TXXX:Q-HAP'                                        '4'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['funk', 'soul', 'disco', '70s', '80s']
'TXXX:q-bass'                                       '4'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '1'
'TXXX:q-mixbeat'                                    '3'
'TXXX:q-other'                                      '3'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+2.03 dB'
'TXXX:replaygain_track_peak'                        '0.606715'

========================== row from database ==========================
                                              'id'  1528457
                                            'path'  /data/Music/Bulk/00poprockelectronic/Disco 70_s 80_s/Kool and the Gang/Kool and the Gang - Summer Maddness.mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  254
                                           'genre'  electronic-we-disco or italo
                                        'filesize'  4072916
                                           'mtime'  1620569113
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic Disco 70_s 80_s and the and the electronic we disco or italo
                                      'tag_artist'  Kool And The Gang
                                     'tag_release'  None
                                       'tag_title'  Summer Maddness
                                             'bpm'  117.3
                                    'search_title'  'maddness':2 'summer':1
                                   'search_artist'  'and':2 'gang':4 'kool':1 'the':3
                                  'search_release'  
                                     'search_rest'  '00poprockelectronic':1 '70':3 '80':5 'and':7 'disco':2 'electronic':9 'italo':12 'or':11 's':4,6 'the':8 'we':10
                                    'search_combo'  '00poprockelectronic':7 '70':9 '80':11 'and':4B,13 'disco':8 'electronic':15 'gang':6B 'italo':18 'kool':3B 'maddness':2A 'or':17 's':10,12 'summer':1A 'the':5B,14 'we':16
                                    'tag_tracknum'  None
                                      'num_images'  0
                                             'key'  11A
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-3', 'q-play-3', 'Q-OLDST-3', 'Q-UNU-1', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-4', 'q-syn-3', 'q-chart-2', 'q-other-3', 'Q-HAP-4', 'q-bass-4', 'q-grit-1']
                                      'lastfmtags'  ['funk', 'soul', 'disco', '70s', '80s']
                                        'tag_date'  1980
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1620569112.9639118  (2021-05-09 16:05:12)
                             'size'  4072916