======================== unified (from filesystem) ========================
                                         'bitrate'  '128.0'
                                        'duration'  '240'
                                          'artist'  'The Chemical Brothers'
                                     'text_people'  ''
                                         'release'  'Kick Out the Jams'
                                           'title'  'Leave Home (CB remix)'
                                           'quals'  ("['Q-HAP-3', 'Q-HHRNBTT-1', 'Q-LOCALNESS-1', 'Q-JZFKS-1', 'Q-UNU-1', "
 "'Q-OLDST-3', 'q-syn-3', 'q-bass-2', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-4', 'q-drums-4', 'q-other-2', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-3']")
                                      'lastfmtags'  "['dance', 'electronica', 'techno', 'electronic', 'big beat']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '10'
                                      'tracktotal'  ''
                                            'date'  '1995'
                                        'comments'  ''
                                           'genre'  'electronic-generic or radio-bigbeat'
                                             'bpm'  '108.008'
                                             'key'  '10A'
                                        'acoustid'  ''
rest: ''

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

'TALB' (Album/Movie/Show title)                     'Kick Out the Jams'
'TBPM' (BPM (beats per minute))                     '108.008'
'TCON' (Content type, a.k.a. Genre)                 'electronic-generic or radio-bigbeat'
'TDRC' (Recording time)                             '1995'
'TIT2' (Title/songname/content description)         'Leave Home (CB remix)'
'TKEY' (Initial key)                                '10A'
'TPE1' (Lead performer(s)/Soloist(s))               'The Chemical Brothers'
'TRCK' (Track number/Position in set)               '10'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '3'
'TXXX:Q-UNU'                                        '1'
'TXXX:lastfmtags'                                   ['dance', 'electronica', 'techno', 'electronic', 'big beat']
'TXXX:q-bass'                                       '2'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '4'
'TXXX:q-drums'                                      '4'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '3'
'TXXX:q-other'                                      '2'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '3'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+0.61 dB'
'TXXX:replaygain_track_peak'                        '0.582790'

========================== row from database ==========================
                                              'id'  1406812
                                            'path'  /data/Music/Bulk/00poprockelectronic-generic-dance-trapbeat/The Chemical Brothers/MBZ;#The Chemical Brothers;#Kick Out the Jams;#10;#Leave Home (CB remix).mp3
                                         'working'  None
                                         'bitrate'  128
                                    'duration_sec'  240
                                           'genre'  electronic-generic or radio-bigbeat
                                        'filesize'  3850858
                                           'mtime'  1621695895
                                   'redo_metaread'  0
                                        'rest_str'   00poprockelectronic generic dance trapbeat MBZ;#The Brothers;#Kick Jams;#10;#Leave electronic generic or radio bigbeat
                                      'tag_artist'  The Chemical Brothers
                                     'tag_release'  Kick Out the Jams
                                       'tag_title'  Leave Home (CB remix)
                                             'bpm'  108.008
                                    'search_title'  'cb':3,4 'home':2 'leave':1 'remix':5,6
                                   'search_artist'  'brothers':3 'chemical':2 'the':1
                                  'search_release'  'jams':4 'kick':1 'out':2 'the':3
                                     'search_rest'  '00poprockelectronic':1 '10':14,17 'bigbeat':22 'brothers':9,11 'dance':3 'electronic':19 'generic':2 'jams':13,16 'kick':10,12 'leave':15,18 'mbz':5,7 'or':20 'radio':21 'the':6,8 'trapbeat':4
                                    'search_combo'  '00poprockelectronic':14 '10':27,30 'bigbeat':35 'brothers':9B,22,24 'cb':3A,4A 'chemical':8B 'dance':16 'electronic':32 'generic':15 'home':2A 'jams':13C,26,29 'kick':10C,23,25 'leave':1A,28,31 'mbz':18,20 'or':33 'out':11C 'radio':34 'remix':5A,6A 'the':7B,12C,19,21 'trapbeat':17
                                    'tag_tracknum'  10
                                      'num_images'  0
                                             'key'  10A
                                           '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-4', 'q-other-2', 'Q-HAP-3', 'q-bass-2', 'q-grit-2']
                                      'lastfmtags'  ['dance', 'electronica', 'techno', 'electronic', 'big beat']
                                        'tag_date'  1995
                                     'discogstags'  []

============================== file details ==============================
                                           'mtime'  1621695895.412619  (2021-05-22 17:04:55)
                             'size'  3850858